HIGHCVSS v3.1 7.4Vulnerability
CVE-2026-121392
FreeRDP before 3.32.2 contains an improper certificate validation vulnerability in tls_verify_certificate() that accepts Common Name fallback despite non-matching SAN entries and matches IP literals against DNS strings. Man-in-the-middle attackers holding a certificate from a client-trusted CA can bypass server identity checks to intercept RDP sessions, including keystrokes, clipboard, and screen content.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-03T17:20:13.885968+00:00
- Cvss severity
- HIGH
- Cvss score
- 7.4
- Retrieved at
- 2026-11-03T17:21:18+00:00
- Score
- 7.4
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-121392
- Cvss vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- First seen by Signal
- 2026-11-03T17:21:18+00:00
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- Published at
- 2026-11-03T15:17:26.710
- Last modified
- 2026-11-03T15:17:26.860
Related Entities (1)
HAS_WEAKNESS (1)
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