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Vulnerability record · CVE-2021-3148 · published 27 February 2021

CVE-2021-3148: Saltstack salt command injection vulnerability

Saltstack · Salt

An issue was discovered in SaltStack Salt before 3002.5. Sending crafted web requests to the Salt API can result in salt.utils.thin.gen_thin() command injection because of different handling of single versus double quotes. This is related to salt/utils/thin.py.

9.8 CVSS 3.1 Critical EPSS 8.2% · top 5.3% CWE-77 · Command injection
9.8CVSS 3.1 base score, v2 7.5
8.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
18References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in SaltStack Salt before 3002.5. Sending crafted web requests to the Salt API can result in salt.utils.thin.gen_thin() command injection because of different handling of single versus double quotes. This is related to salt/utils/thin.py.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/saltstack/salt/releases Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00009.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7GRVZ5WAEI3XFN2BDTL6DDX Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FUGLOJ6NXLCIFRD2JTXBYQE Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YOGNT2XWPOYV7YT75DN7PS4 Mailing ListThird Party Advisory
https://saltproject.io/security_announcements/active-saltstack-cve-release-2021-feb-25/ Vendor Advisory
https://security.gentoo.org/glsa/202103-01 Third Party Advisory
https://security.gentoo.org/glsa/202310-22 Third Party Advisory
https://www.debian.org/security/2021/dsa-5011 Third Party Advisory
https://github.com/saltstack/salt/releases Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00009.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7GRVZ5WAEI3XFN2BDTL6DDX Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FUGLOJ6NXLCIFRD2JTXBYQE Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YOGNT2XWPOYV7YT75DN7PS4 Mailing ListThird Party Advisory
https://saltproject.io/security_announcements/active-saltstack-cve-release-2021-feb-25/ Vendor Advisory
https://security.gentoo.org/glsa/202103-01 Third Party Advisory
https://security.gentoo.org/glsa/202310-22 Third Party Advisory
https://www.debian.org/security/2021/dsa-5011 Third Party Advisory

Track CVE-2021-3148 inside VULONE

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-3148), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.