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CVE-2021-3148

34
FAUCET Score

CVE-2021-3148 is a critical command injection vulnerability affecting SaltStack Salt versions prior to 3002.5, specifically impacting the Salt API when processing crafted web requests due to inconsistent handling of quotes. With a CVSS score of 9.8, this vulnerability allows unauthenticated attackers to execute arbitrary commands remotely with high impact on confidentiality, integrity, and availability. While it has a high FAUCET Risk Score, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

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

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
8.25%
Probability of exploitation in next 30 days
EPSS Percentile
94.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0825 is in the 90th percentile among its peer group of 36,833 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-ghc2-hx3w-jqmpcritical

SaltStack Salt command injection in the Salt-API when using the Salt-SSH client

May 24, 2022
redhatCVE-2021-3148Moderate

salt: Command injection in salt.utils.thin.gen_thin()

Feb 25, 2021

References

github.com / saltstack/salt/releases
Third Party Advisory
lists.debian.org / debian-lts-announce/2021/11/msg00009.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