CVE-2021-25321: Suse Arpwatch

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

A UNIX Symbolic Link (Symlink) Following vulnerability in arpwatch of SUSE Linux Enterprise Server 11-SP4-LTSS, SUSE Manager Server 4.0, SUSE OpenStack Cloud Crowbar 9; openSUSE Factory, Leap 15.2 allows local attackers with control of the runtime user to run arpwatch as to escalate to root upon the next restart of arpwatch. This issue affects: SUSE Linux Enterprise Server 11-SP4-LTSS arpwatch versions prior to 2.1a15. SUSE Manager Server 4.0 arpwatch versions prior to 2.1a15. SUSE OpenStack Cloud Crowbar 9 arpwatch versions prior to 2.1a15. openSUSE Factory arpwatch version 2.1a15-169.5 and prior versions. openSUSE Leap 15.2 arpwatch version 2.1a15-lp152.5.5 and prior versions.

Affected products

• Suse Arpwatch: before 2.1a15 (fixed in 2.1a15); up to and including 2.1a15-169.5; up to and including 2.1a15-lp152.5.5

Published 2021-06-30. Last modified 2026-06-17.