Vulnerability in openSUSE Factory
CVE-2021-25321
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (36.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- openSUSE Factory — versions arpwatch
- openSUSE Leap — versions 15.2
- openSUSE Leap 15.2 — versions arpwatch
- SUSE Arpwatch
- SUSE Linux Enterprise Server — versions 11
- SUSE Manager Server — versions 4.0
- SUSE OpenStack Cloud Crowbar — versions 9.0
- SUSE Linux Enterprise Server 11-Sp4-Ltss — versions arpwatch
- SUSE Manager Server 4.0 — versions arpwatch
- SUSE OpenStack Cloud Crowbar 9 — versions arpwatch
Weakness classification (CWE)
References
- bugzilla.suse.com/show_bug.cgi (Exploit, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-25321?
- CVE-2021-25321 is a high-severity vulnerability in openSUSE Factory, classified under UNIX Symbolic Link (Symlink) Following. CVSS score: 7.8/10. Published 2021-06-30.
- How severe is CVE-2021-25321?
- High severity. CVSS v3 base score is 7.8 out of 10.