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Vulnerability record · CVE-2021-21996 · published 8 September 2021

CVE-2021-21996: Saltstack salt vulnerability

Saltstack · Salt

An issue was discovered in SaltStack Salt before 3003.3. A user who has control of the source, and source_hash URLs can gain full file system access as root on a salt minion.

7.5 CVSS 3.1 High EPSS 3.5% · top 11.2%
7.5CVSS 3.1 base score, v2 7.1
3.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
16References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in SaltStack Salt before 3003.3. A user who has control of the source, and source_hash URLs can gain full file system access as root on a salt minion.

CVSS:3.1/AV:N/AC:H/PR:L/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://lists.debian.org/debian-lts-announce/2021/11/msg00017.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00019.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BUWUF5VTENNP2ZYZBVFKPS Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ACVT7M4YLZRLWWQ6SGRK3C6 Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MBAHHSGZLEJRCG4DX6J4RBW Mailing ListThird Party Advisory
https://saltproject.io/security_announcements/salt-security-advisory-2021-sep-02/ PatchVendor Advisory
https://security.gentoo.org/glsa/202310-22 Third Party Advisory
https://www.debian.org/security/2021/dsa-5011 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00017.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00019.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BUWUF5VTENNP2ZYZBVFKPS Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ACVT7M4YLZRLWWQ6SGRK3C6 Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MBAHHSGZLEJRCG4DX6J4RBW Mailing ListThird Party Advisory
https://saltproject.io/security_announcements/salt-security-advisory-2021-sep-02/ PatchVendor Advisory
https://security.gentoo.org/glsa/202310-22 Third Party Advisory
https://www.debian.org/security/2021/dsa-5011 Third Party Advisory

Track CVE-2021-21996 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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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-2021-21996), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.