7.8highHigh
CVE-2025-14821
Libssh Libssh
A flaw was found in libssh. This vulnerability allows local man-in-the-middle attacks, security downgrades of SSH (Secure Shell) connections, and manipulation of trusted host information, posing a significant risk to the confidentiality, integrity, and availability of SSH communications via an insecure default configuration on Windows systems where the library automatically loads configuration files from the C:\etc directory, which can be created and modified by unprivileged local users.
What the metrics mean
- It is requires local access to the machine.
- For an attacker who can reach it, no special conditions are needed to exploit it.
- To exploit it, an ordinary user account is needed.
- Beyond that, no action by a user is required.
Scoring
- CVSS
- 7.8 (v3.1)
- Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Weakness
- CWE-427
- Assigned by
- secalert@redhat.com
Dates
- Published
- 2026-04-07
- Last modified
- 2026-08-31
- Sources
- NVD
Affected products
- Libssh Libssh- 0.12.0
- Redhat Hardened Imagesall versions
As listed in the NVD configuration data. Not a statement about your estate.