MEDIUM 6.8 Microsoft PoC
CVE-2025-26465
Openssh: machine-in-the-middle attack if verifyhostkeydns is enabled
Microsoft Security Update 2025-Feb: Openssh: machine-in-the-middle attack if verifyhostkeydns is enabled
Affected Products
- azl3 openssh 9.8p1-4 on Azure Linux 3.0
- cbl2 openssh 8.9p1-8 on CBL-Mariner 2.0
- cbl2 openssh 8.9p1-7 on CBL Mariner 2.0
- azl3 openssh 9.8p1-3 on Azure Linux 3.0
- cbl2 openssh 8.9p1-8 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26465
- https://nvd.nist.gov/vuln/detail/CVE-2025-26465
This medium severity vulnerability with a CVSS score of 6.8 was published on 2025-02-11 via Microsoft. 🚨 A public proof-of-concept exploit is available on GitHub. EPSS score: 7.7% (top 6% of all CVEs by exploitation probability). Affected: azl3 openssh 9.8p1-4 on Azure Linux 3.0, cbl2 openssh 8.9p1-8 on CBL-Mariner 2.0, cbl2 openssh 8.9p1-7 on CBL Mariner 2.0 and 2 more.
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