CVE search · CVE-2025-14821
CVE-2025-14821
high 7.0
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.
Details
- Status
- Analyzed
- Published
- Last changed
- Source
- secalert@redhat.com
- Weakness
- CWE-427
Severity
| Version | Score | Vector | Source |
|---|---|---|---|
| CVSS 3.1 | high 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
secalert@redhat.comSecondary |
| CVSS 3.1 | high 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
nvd@nist.govPrimary |
Affected products
Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.
References
- https://access.redhat.com/errata/RHSA-2026:7067Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2025-14821Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2423148Issue TrackingThird Party Advisory
- https://www.libssh.org/2026/02/10/libssh-0-12-0-and-0-11-4-security-releases/Release Notes