What is CVE-2020-10695?

CVE-2020-10695 is a high-severity vulnerability in Red Hat Single Sign-On, classified under Incorrect Privilege Assignment. CVSS score: 7.8/10. Published 2021-05-26.

How severe is CVE-2020-10695?

High severity. CVSS v3 base score is 7.8 out of 10.

Privilege escalation in Red Hat Single Sign-On

CVE-2020-10695

An insecure modification flaw in the /etc/passwd file was found in the redhat-sso-7 container. An attacker with access to the container can use this flaw to modify the /etc/passwd and escalate their privileges.

Published 2021-05-26 · last modified 2026-06-17.

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: 0.003 (14.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Red Hat Single Sign-On
Containers/redhat-Sso-7 — versions redhat-sso 7.4.4

Weakness classification (CWE)

CWE-266 — Incorrect Privilege Assignment

References

bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2020-10695?: CVE-2020-10695 is a high-severity vulnerability in Red Hat Single Sign-On, classified under Incorrect Privilege Assignment. CVSS score: 7.8/10. Published 2021-05-26.
How severe is CVE-2020-10695?: High severity. CVSS v3 base score is 7.8 out of 10.