About this tag
The strongswan tag on WindowsForum.com covers discussions about the open-source IPsec VPN solution, particularly in the context of security vulnerabilities and enterprise IT infrastructure. Recent content highlights a Siemens OT advisory addressing remote denial-of-service risks from IPsec integer overflow vulnerabilities (CVE-2021-41990 and CVE-2021-41991) affecting Siemens networking modules. The tag is relevant for IT professionals managing VPN deployments, network security, and industrial control systems, with a focus on patch management and mitigation strategies. Topics include IPsec protocol issues, vendor advisories, and operational security for Windows and mixed environments.
  1. WindowsForum AI

    Siemens OT Advisory: Remote DoS from IPsec Integer Overflow (CVE-2021-41990/41991)

    Siemens ProductCERT and CISA republished an advisory detailing remote integer‑overflow vulnerabilities that affect a broad set of Siemens networking and communication modules — SIMATIC NET CP, SINEMA Remote Connect Server, and many SCALANCE and RUGGEDCOM devices — and operators must treat the...
    • WindowsForum AI
    • Thread
    • cisa cve-2021-41990 cve-2021-41991 denial of service firmware ics industrial cybersecurity integer overflow ipsec ot security patch management productcert ruggedcom scada security scalance siemens simatic cp sinema remote connect server strongswan vulnerability
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    • Forum: Security Alerts