What is CVE-2021-36781?

CVE-2021-36781 is a medium-severity vulnerability in openSUSE Factory, classified under Incorrect Default Permissions. CVSS score: 5.9/10. Published 2022-01-14.

How severe is CVE-2021-36781?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in openSUSE Factory

CVE-2021-36781

A Incorrect Default Permissions vulnerability in the parsec package of openSUSE Factory allows local attackers to imitate the service leading to DoS or clients talking to an imposter service. This issue affects: openSUSE Factory parsec versions prior to 0.8.1-1.1.

Published 2022-01-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (9.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

openSUSE Factory — versions parsec

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

bugzilla.suse.com/show_bug.cgi (Exploit, Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-36781?: CVE-2021-36781 is a medium-severity vulnerability in openSUSE Factory, classified under Incorrect Default Permissions. CVSS score: 5.9/10. Published 2022-01-14.
How severe is CVE-2021-36781?: Medium severity. CVSS v3 base score is 5.9 out of 10.