CVE-2021-20259

Name: CVE-2021-20259
Creator: NVD / NIST
Published: 2021-06-07T21:15:07.95+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2021-20259 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A flaw was found in the Foreman project. The Proxmox compute resource exposes the password through the API to an authenticated local attacker with view_hosts permission. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

Description

A flaw was found in the Foreman project. The Proxmox compute resource 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. Versions before foreman_fog_proxmox 0.13.1 are affected

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.27%

19.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Theforeman	Foremanfogproxmox	< 0.13.1

References

https://bugzilla.redhat.com/show_bug.cgi?id=1932144Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1932144Issue Tracking, Third Party Advisory

Timeline

Published: Jun 7, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-20259?

How severe is CVE-2021-20259?

CVE-2021-20259 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2021-20259?

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-2021-20259?

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

Scan your code now

Source: NVD / NIST