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CVE-2021-25282

86
FAUCET Score

CVE-2021-25282 is a critical directory traversal vulnerability in SaltStack Salt versions prior to 3002.5, specifically within the salt.wheel.pillar_roots.write method, affecting various distributions including Debian and Fedora. With a CVSS score of 9.1, it allows unauthenticated attackers to achieve high integrity and availability impacts over the network with low attack complexity. While not on the KEV catalog, a Metasploit module exists for unauthenticated Remote Code Execution, indicating readily available exploit code and significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 2015.8.10CPE matchmatch criteria
cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*
>= 2015.8.11, < 2015.8.13CPE matchmatch criteria
cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*
>= 2016.3.0, < 2016.3.4CPE matchmatch criteria
cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*
>= 2016.3.5, < 2016.3.6CPE matchmatch criteria
cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*
>= 2016.3.7, < 2016.3.8CPE matchmatch criteria
cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
92.31%
Probability of exploitation in next 30 days
EPSS Percentile
99.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: SaltStack Salt API Unauthenticated RCE through wheel_async client · Feb 25, 2021
This CVE's current EPSS score of 0.9231 is in the 99th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

pippatch availablevia ghsa
Product: saltFixed in: 2015.8.13
pippatch availablevia ghsa
Product: saltFixed in: 2016.11.5
pippatch availablevia ghsa
Product: saltFixed in: 2016.11.10
pippatch availablevia ghsa
Product: saltFixed in: 2017.7.8
pippatch availablevia ghsa
Product: saltFixed in: 2019.2.8
pippatch availablevia ghsa
Product: saltFixed in: 3000.7
pippatch availablevia ghsa
Product: saltFixed in: 3001.5
pippatch availablevia ghsa
Product: saltFixed in: 3002.3

Vendor Advisories (2)

pipGHSA-76x4-x3p6-rpr9high

SaltStack Salt Directory Traversal vulnerability

May 24, 2022
redhatCVE-2021-25282Moderate

salt: Directory traversal in wheel.pillar_roots.write

Feb 25, 2021

References

packetstormsecurity.com / files/162058/SaltStack-Salt-API-Unauthenticated-Remote-Command-Execution.html
ExploitThird Party AdvisoryVDB Entry
github.com / saltstack/salt/releases
Third Party Advisory
lists.debian.org / debian-lts-announce/2021/11/msg00009.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2022/01/msg00000.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/7GRVZ5WAEI3XFN2BDTL6DDXFS5HYSDVB
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/FUGLOJ6NXLCIFRD2JTXBYQEMAEF2B6XH
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/YOGNT2XWPOYV7YT75DN7PS4GIYWFKOK5
Mailing ListThird Party Advisory
saltproject.io / security_announcements/active-saltstack-cve-release-2021-feb-25
Vendor Advisory
security.gentoo.org / glsa/202103-01
Third Party Advisory
security.gentoo.org / glsa/202310-22
Third Party Advisory
debian.org / security/2021/dsa-5011
Third Party Advisory