CVE-2021-20259

mediumpriority · track · 31EPSS 0.003 · 20 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.27% (20th) EPSS

CVSS 4.6 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.6–7.8

v2.04.6mediumAV:L/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 6.4

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USCWE-200US

affected products (3)

Products and version ranges known to be affected.

n/a Foreman≤ before foreman_fog_proxmox 0.13.1enisa_euvdEU
theforeman foremanfogproxmox< 0.13.1nvdUScpe:2.3:a:theforeman:foremanfogproxmox:*:*:*:*:*:*:*:*
RubyGems foreman_fog_proxmox< 0.13.1osvUSpkg:gem/foreman_fog_proxmox

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-f2rp-4rv7-fc95Exposure of Sensitive Information to an Unauthorized Actor in foreman_fog_proxmox2021-06-10ghsa · osvUS
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 of foreman_fog_proxmox prior to 0.13.1 are affected.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2021-06-07modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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