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6.5

SSH Credentials Exposed on Linux Systems

CVE-2026-21670 · published 7 months ago
Summary

A security issue in certain Linux systems allows an attacker with limited privileges to access saved SSH credentials. This could potentially allow unauthorized access to sensitive network resources. To mitigate this risk, ensure that SSH credentials are properly secured, and consider implementing additional authentication measures.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
veeam veeam_backup_\&_replication >= 13.0.0.496, <= 13.0.1.1071
cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:*
Original advisory text
A vulnerability allowing a low-privileged user to extract saved SSH credentials.
A vulnerability allowing a low-privileged user to extract saved SSH credentials.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
6.5 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-522Insufficiently Protected Credentials
Timeline
Published12 Mar 2026
Updated4 Nov 2026
First seen12 Mar 2026
Sources
CVE-2026-21670 · NVD
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