April 2021
26.04.2021
US CERT
AA21-116A: Russian Foreign Intelligence Service (SVR) Cyber Operations: Trends and Best Practices for Network Defenders
Title
AA21-116A: Russian Foreign Intelligence Service (SVR) Cyber Operations: Trends and Best Practices for Network Defenders
Published
April 26, 2021, 5 p.m.
URL
https://us-cert.cisa.gov/ncas/alerts/aa21-116a
Summary
Original release date: April 26, 2021SummaryThe Federal Bureau of Investigation (FBI), Department of Homeland Security (DHS), and Cybersecurity and Infrastructure Security Agency (CISA) assess Russian Foreign Intelligence Service (SVR) cyber actors—also known as Advanced Persistent Threat 29 (APT 29), the Dukes, CozyBear, and Yttrium—will continue to seek intelligence from U.S. ...
23.04.2021
BOSCH PSIRT
ctrlX Multiple Vulnerabilities
Title
ctrlX Multiple Vulnerabilities
Published
April 23, 2021, 2 a.m.
URL
https://psirt.bosch.com/security-advisories/bosch-sa-918106.html
Summary

Multiple vulnerabilities in operating system libraries and the Linux kernel have been reported which in a worst case scenario could allow an attacker to compromise the system by provoking a crash or the execution of malicious code. The affected functions are not used directly by any Rexroth software component and ...

20.04.2021
US CERT
AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities
Title
AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities
Published
April 20, 2021, 5:03 p.m.
URL
https://us-cert.cisa.gov/ncas/alerts/aa21-110a
Summary
Original release date: April 20, 2021 | Last revised: May 28, 2021SummaryThe Cybersecurity and Infrastructure Security Agency (CISA) is aware of compromises affecting a number of U.S. government agencies, critical infrastructure entities, and other private sector organizations by a cyber threat actor—or actors—beginning in June 2020 or earlier related to ...
14.04.2021
SIEMENS CERT
SSA-875726 V1.0: Privilege Escalation Vulnerability in Mendix
Title
SSA-875726 V1.0: Privilege Escalation Vulnerability in Mendix
Published
April 14, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-875726.pdf
Summary
The latest updates for Mendix fix a vulnerability in Mendix Applications that could allow malicious authorized users to escalate their privileges. Mendix has released an update for Mendix and recommends to update to the latest version.
13.04.2021
SIEMENS CERT
SSA-296266 V1.1 (Last Update: 2021-04-13): Denial-of-Service Vulnerability in SCALANCE and RUGGEDCOM Devices
Title
SSA-296266 V1.1 (Last Update: 2021-04-13): Denial-of-Service Vulnerability in SCALANCE and RUGGEDCOM Devices
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-296266.pdf
Summary
Some firmware versions of the SCALANCE and RUGGEDCOM devices listed below are affected by a vulnerability in the SSH authentication that could allow an attacker to cause a Denial-of-Service under certain conditions. Siemens has released updates for the affected products and recommends to update to the latest version.
13.04.2021
SIEMENS CERT
SSB-439005 V3.3 (Last Update: 2021-04-13): Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 151...
Title
SSB-439005 V3.3 (Last Update: 2021-04-13): Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssb-439005.pdf
Summary
13.04.2021
SIEMENS CERT
SSA-761617 V1.1 (Last Update: 2021-04-13): Authentication Bypass and Information Disclosure Vulnerabilities in SiNVR/SiVMS Vide...
Title
SSA-761617 V1.1 (Last Update: 2021-04-13): Authentication Bypass and Information Disclosure Vulnerabilities in SiNVR/SiVMS Video Server
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-761617.pdf
Summary
The Video Server application in SiNVR/SiVMS solutions contains two vulnerabilities involving authentication bypass (CVE-2019-18339) and information disclosure (CVE-2019-18340). PKE has released an update of the application that fixes CVE-2019-18339. This update is not available under the former Siemens OEM brand name SiNVR. For details see PKE Security Advisory at https://sivms.cloud/wp-content/uploads/2021/03/sivms-cve-fixes_1.0_EN.pdf ...
13.04.2021
SIEMENS CERT
SSA-763427 V1.5 (Last Update: 2021-04-13): Authentication Bypass Vulnerability in SIMATIC NET CP Modules and TIM Devices
Title
SSA-763427 V1.5 (Last Update: 2021-04-13): Authentication Bypass Vulnerability in SIMATIC NET CP Modules and TIM Devices
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-763427.pdf
Summary
Siemens has released updates for Communication Processor (CP) module families CP 343-1/TIM 3V-IE/TIM 4R-IE/CP 443-1 to resolve an authentication bypass vulnerability that could allow unauthenticated users to perform administrative operations under certain conditions. 2021-04-13: Siemens has also added Profibus devices (CP 342-5 / CP 443-5) to this advisory. For these ...
13.04.2021
SIEMENS CERT
SSA-455843 V1.6 (Last Update: 2021-04-13): WIBU Systems CodeMeter Runtime Vulnerabilities in Siemens and Siemens Energy Products
Title
SSA-455843 V1.6 (Last Update: 2021-04-13): WIBU Systems CodeMeter Runtime Vulnerabilities in Siemens and Siemens Energy Products
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-455843.pdf
Summary
CISA and WIBU Systems disclosed six vulnerabilities in different versions of CodeMeter Runtime, a product provided by WIBU Systems and used in several Siemens and Siemens Energy products for license management. The vulnerabilities are described in the section “Vulnerability Classification” below and got assigned the CVE IDs CVE-2020-14509, CVE-2020-14513, CVE-2020-14515, ...
13.04.2021
SIEMENS CERT
SSA-462066 V2.2 (Last Update: 2021-04-13): Vulnerability known as TCP SACK PANIC in Industrial Products
Title
SSA-462066 V2.2 (Last Update: 2021-04-13): Vulnerability known as TCP SACK PANIC in Industrial Products
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-462066.pdf
Summary
Multiple industrial products are affected by a vulnerability in the kernel known as TCP SACK PANIC. The vulnerability could allow a remote attacker to cause a denial of service condition. Siemens has released updates for several affected products and recommends to update to the new versions. Siemens is preparing further ...
13.04.2021
SIEMENS CERT
SSA-534763 V1.4 (Last Update: 2021-04-13): Special Register Buffer Data Sampling (SRBDS) aka Crosstalk in Industrial Products
Title
SSA-534763 V1.4 (Last Update: 2021-04-13): Special Register Buffer Data Sampling (SRBDS) aka Crosstalk in Industrial Products
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-534763.pdf
Summary
Security researchers published information on a vulnerability known as Crosstalk (INTEL-SA-00320). This vulnerability affects modern Intel processors to a varying degree. Several Siemens Industrial Products contain processors that are affected by the vulnerability. Siemens is preparing updates and recommends specific countermeasures until fixes are available.
13.04.2021
SIEMENS CERT
SSA-541017 V1.3 (Last Update: 2021-04-13): Embedded TCP/IP Stack Vulnerabilities (AMNESIA:33) in SIRIUS 3RW5 Modbus TCP and SEN...
Title
SSA-541017 V1.3 (Last Update: 2021-04-13): Embedded TCP/IP Stack Vulnerabilities (AMNESIA:33) in SIRIUS 3RW5 Modbus TCP and SENTRON PAC / 3VA Devices
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-541017.pdf
Summary
Security researchers discovered and disclosed 33 vulnerabilities in several open-source TCP/IP stacks for embedded devices, also known as “AMNESIA:33” vulnerabilities. This advisory describes the impact of one of these vulnerabilities (CVE-2020-13988) to Siemens products. Siemens has released updates for the affected products and recommends to update to the latest versions. ...
13.04.2021
SIEMENS CERT
SSA-591405 V1.2 (Last Update: 2021-04-13): Web Vulnerabilities in SCALANCE S-600 Family
Title
SSA-591405 V1.2 (Last Update: 2021-04-13): Web Vulnerabilities in SCALANCE S-600 Family
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-591405.pdf
Summary
The firmware for SCALANCE S-600 family devices contains multiple web vulnerabilities. The vulnerabilities could allow an remote attacker to conduct Denial-of-Service attacks or perform Cross-Site Scripting attacks. Siemens has released updates for the affected products and recommends to update to the latest versions, or to upgrade to a successor product.
13.04.2021
SIEMENS CERT
SSA-646763 V1.2 (Last Update: 2021-04-13): DNSpooq - Dnsmasq Vulnerabilities in SCALANCE and RUGGEDCOM Devices
Title
SSA-646763 V1.2 (Last Update: 2021-04-13): DNSpooq - Dnsmasq Vulnerabilities in SCALANCE and RUGGEDCOM Devices
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-646763.pdf
Summary
Security researchers discovered and disclosed seven vulnerabilities in the open-source DNS component “dnsmasq”, also known as “DNSpooq” vulnerabilities (CVE-2020-25681 through CVE-2020-25687). Three vulnerabilities (CVE-2020-25684 through CVE-2020-25686) affect the validation of DNS responses and impact several SCALANCE and RUGGEDCOM devices as listed below. Siemens has released updates for several affected products ...
13.04.2021
SIEMENS CERT
SSA-669158 V1.0: DNS Client Vulnerabilities in SIMOTICS CONNECT 400
Title
SSA-669158 V1.0: DNS Client Vulnerabilities in SIMOTICS CONNECT 400
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-669158.pdf
Summary
SIMOTICS CONNECT 400 is affected by DNS Client vulnerabilities as initially reported in Siemens Security Advisory SSA-705111 for the Mentor DNS Module. Siemens is preparing updates and recommends countermeasures for products where updates are not, or not yet available.
13.04.2021
SIEMENS CERT
SSA-761844 V1.0: Multiple Vulnerabilities in Control Center Server (CCS)
Title
SSA-761844 V1.0: Multiple Vulnerabilities in Control Center Server (CCS)
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-761844.pdf
Summary
The advisory informs about multiple vulnerabilities in the Central Control Server (CCS) application, as initially reported in SSA-761617 on 2019-12-10 and SSA-844761 on 2020-03-10. The vulnerabilities involve authentication bypass (CVE-2019-18337, CVE-2019-18341), path traversal (CVE-2019-18338, CVE-2019-19290), information disclosure (CVE-2019-13947, CVE-2019-18340, CVE-2019-19291), privilege escalation (CVE-2019-18342), SQL injection (CVE-2019-19292), cross-site scripting (CVE-2019-19293, CVE-2019-19294), ...
13.04.2021
SIEMENS CERT
SSA-788287 V1.0: Disclosure of Private Data
Title
SSA-788287 V1.0: Disclosure of Private Data
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-788287.pdf
Summary
Due to SmartClient Installation technology (ClickOnce) a customer/integrator needs to create a customer specific Smartclient installer. The mentioned products delivered a trusted but yet expired codesigning certificate. An attacker could have exploited the vulnerability by spoofing the code-signing certificate and signing a malicious executable resulting in having a trusted digital ...
13.04.2021
SIEMENS CERT
SSA-853866 V1.0: User Credentials Disclosure Vulnerability in Siveillance Video Open Network Bridge (ONVIF)
Title
SSA-853866 V1.0: User Credentials Disclosure Vulnerability in Siveillance Video Open Network Bridge (ONVIF)
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-853866.pdf
Summary
Siemens has released hotfixes for Siveillance Video Open Network Bridge (ONVIF) which fix a security vulnerability related to unsecure storage of ONVIF user credentials. The vulnerability could allow an authenticated remote attacker to retrieve and decrypt all user credentials stored on the ONVIF server. Siemens recommends to apply the hotfixes ...
13.04.2021
SIEMENS CERT
SSA-201384 V1.0: Predictable UDP Port Number Vulnerability (NAME:WRECK) in the DNS Module of Nucleus Products
Title
SSA-201384 V1.0: Predictable UDP Port Number Vulnerability (NAME:WRECK) in the DNS Module of Nucleus Products
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-201384.pdf
Summary
Security researchers discovered and disclosed 9 vulnerabilities in several DNS implementations, also known as “NAME:WRECK” vulnerabilities. The vulnerability described in this advisories is from this set. The DNS client of affected products contains a vulnerability related to the handling of UDP port numbers in DNS requests that could allow an ...
13.04.2021
SIEMENS CERT
SSA-983300 V1.0: Vulnerabilities in LOGO! Soft Comfort
Title
SSA-983300 V1.0: Vulnerabilities in LOGO! Soft Comfort
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-983300.pdf
Summary
Two vulnerabilities have been identified in the LOGO! Soft Comfort software. These could allow an attacker to take over a system with the affected software installed. Siemens is preparing updates and recommends specific countermeasures for products where updates are not, or not yet available.
13.04.2021
SIEMENS CERT
SSA-689942 V1.3 (Last Update: 2021-04-13): Denial-of-Service and DLL Hijacking Vulnerabilities in Multiple SIMATIC Software Pro...
Title
SSA-689942 V1.3 (Last Update: 2021-04-13): Denial-of-Service and DLL Hijacking Vulnerabilities in Multiple SIMATIC Software Products
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-689942.pdf
Summary
Multiple SIMATIC Software products are affected by two vulnerabilities that could allow an attacker to manipulate project files that may lead to Remote Code Execution or Denial-of-Service attacks. Siemens has released updates to some of the affected products and recommends that customers update to the latest version. Siemens is preparing ...
13.04.2021
SIEMENS CERT
SSA-715184 V1.1 (Last Update: 2021-04-13): Multiple File Parsing Vulnerabilities in Solid Edge
Title
SSA-715184 V1.1 (Last Update: 2021-04-13): Multiple File Parsing Vulnerabilities in Solid Edge
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-715184.pdf
Summary
Siemens has released new versions for Solid Edge to fix multiple vulnerabilities that could be triggered when the application reads files in different file formats (PAR, DFT, XML extensions). If a user is tricked to open a malicious file with the affected application, this could lead to a crash, and ...
13.04.2021
SIEMENS CERT
SSA-841348 V1.7 (Last Update: 2021-04-13): Multiple Vulnerabilities in the UMC Stack
Title
SSA-841348 V1.7 (Last Update: 2021-04-13): Multiple Vulnerabilities in the UMC Stack
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-841348.pdf
Summary
The latest update for the below listed products fixes two security vulnerabilities that could allow an attacker to cause a partial Denial-of-Service on the UMC component of the affected devices under certain circumstances, and one vulnerability that could allow an attacker to locally escalate privileges from a user with administrative ...
13.04.2021
SIEMENS CERT
SSA-844761 V1.1 (Last Update: 2021-04-13): Multiple Vulnerabilities in SiNVR/SiVMS Video Server
Title
SSA-844761 V1.1 (Last Update: 2021-04-13): Multiple Vulnerabilities in SiNVR/SiVMS Video Server
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-844761.pdf
Summary
The Video Server application in SiNVR/SiVMS solutions contains five vulnerabilities involving information disclosure (CVE-2019-19291, CVE-2019-19299), path traversal (CVE-2019-19296, CVE-2019-19297), and denial-of-service (CVE-2019-19298). PKE has released an update of the application that fixes the reported vulnerabilities, except for CVE-2019-19298 and CVE-2019-19299. This update is not available under the former Siemens OEM ...
13.04.2021
SIEMENS CERT
SSA-951513 V1.2 (Last Update: 2021-04-13): Clickjacking Vulnerability in SCALANCE S, SCALANCE X-300, X-200IRT, and X-200 Switch...
Title
SSA-951513 V1.2 (Last Update: 2021-04-13): Clickjacking Vulnerability in SCALANCE S, SCALANCE X-300, X-200IRT, and X-200 Switch Families
Published
April 13, 2021, 2 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-951513.pdf
Summary
Several SCALANCE X switches contain a vulnerability that could allow an attacker to perform administrative actions if the victim is tricked into clicking on a website controlled by the attacker. The attack only works if the victim has an authenticated session on the administrative interface of the switch. Siemens has ...

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09.09.2025
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25.08.2025
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