CVE-2021-20256

Name: CVE-2021-20256
Creator: NVD / NIST
Published: 2021-02-23T23:15:13.257+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.26%

Last modified Jun 17, 2026

CVE-2021-20256 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. A flaw was found in Red Hat Satellite. The BMC interface exposes the password through the API to an authenticated local attacker with view_hosts permission. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

A flaw was found in Red Hat Satellite. The BMC interface exposes the password through the API to an authenticated local attacker with view_hosts permission. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS Probability

0.26%

16.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Redhat	Satellite	6.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=1930926Issue Tracking, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1930926Issue Tracking, Vendor Advisory

Timeline

Published: Feb 23, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-20256?

How severe is CVE-2021-20256?

CVE-2021-20256 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.

How do I fix CVE-2021-20256?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-20256?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST