cve-2021-34798

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CVE-2021-34798 is a high-severity vulnerability in the Apache HTTP Server that was identified within Siemens industrial networking products, including RUGGEDCOM NMS, SINEC NMS, and SINEMA family components. This flaw is part of a cluster of Apache vulnerabilities that can lead to denial-of-service, process crashes, and in certain contexts, cross-system access or remote code execution. Siemens has issued advisories urging operators to apply mitigations to reduce remote-exploitable risk. Discussions on WindowsForum highlight the importance of patching these vulnerabilities in OT environments to maintain security and operational continuity.

  1. Critical Apache Vulnerabilities in Siemens OT Tools: SINEC NMS, SINEMA, RUGGEDCOM NMS

    Siemens has republished a critical advisory that pulls a spotlight back onto a cluster of high-severity Apache HTTP Server vulnerabilities found embedded inside several Siemens industrial networking products — most notably RUGGEDCOM NMS, SINEC NMS, and SINEMA family components — and is urging...
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    • apachevulnerabilities cve-2021-34798 cve-2021-39275 cve-2021-40438 firewall industrial networking it-ot mitigation network segmentation ot security patch management productcert ruggedcom-nms siemens siemens productcert sinec nms sinema remote connect server sinema-server vulnerability management zero trust
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    • Forum: Security Alerts