Vulnerability Monitor

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CVE-2025-11935

With TLS 1.3 pre-shared key (PSK) a malicious or faulty server could ignore the request for PFS (perfect forward secrecy) and the client would continue on with the connection using PSK without PFS. This happened when a server responded to a ClientHello containing psk_dhe_ke without a key_share extension. The re-use of an authenticated PSK connection that on the clients side unexpectedly did not have PFS, reduces the security of the connection.

Published

2025-11-21T22:16:18.920

Last Modified

2025-12-03T18:47:32.440

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-326
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application wolfssl wolfssl < 5.8.4 Yes
Operating System apple macos - No
Operating System linux linux_kernel - No
References