CVE-2021-25321: arpwatch: Local privilege escalation from runtime user to root
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 Software
Event History
Frequently Asked Questions
What is CVE-2021-25321?
CVE-2021-25321 is 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.
How severe is CVE-2021-25321?
CVE-2021-25321 has a severity score of 7.8 out of 10, which is classified as high.
Which software versions are affected by CVE-2021-25321?
CVE-2021-25321 affects Suse Arpwatch version up to and including 2.1a15, SUSE Manager Server 4.0, and SUSE OpenStack Cloud Crowbar 9.
How can a local attacker exploit CVE-2021-25321?
A local attacker with control of the runtime user can exploit CVE-2021-25321 to run arpwatch as root and escalate privileges.
Is openSUSE Factory and openSUSE Leap 15.2 affected by CVE-2021-25321?
No, openSUSE Factory and openSUSE Leap 15.2 are not affected by CVE-2021-25321.