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CVE-2021-21996An 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…
- 7.5HighCVSS base score
- 3.4%Exploitation in 30 daysEPSS · top 11% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By vmware
- 8 months later
· 8 months later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.4% · top 11% of all CVEs (13 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
Saltstack Salt
- affected Saltstack Salt (before 3003.3)
Affected packages
From reviewed advisories of the GitHub Advisory Database.
References
References8
- https://saltproject.io/security_announcements/salt-security-advisory-2021-sep-02/ (opens in a new tab)x_transferred
- FEDORA-2021-00ada7e667 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2021-93a7c8b7c6 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2021-158e9c6eb9 (opens in a new tab)vendor-advisoryx_transferred
- DSA-5011 (opens in a new tab)vendor-advisoryx_transferred
- [debian-lts-announce] 20211119 [SECURITY] [DLA 2823-1] salt security update (opens in a new tab)mailing-listx_transferred
- [debian-lts-announce] 20211121 [SECURITY] [DLA 2823-2] salt regression update (opens in a new tab)mailing-listx_transferred
- GLSA-202310-22 (opens in a new tab)vendor-advisoryx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2021-0225 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-pf7h-h2wq-m7pg (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2021-21996)Record last updated .