Exposure of resource to wrong sphere in Saltstack Salt
Priority LOW 39CWE-668Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat.
Summary
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.
Why it matters now
EPSS 0.03514 89th percentileScored 2026-11-07
Fix Partial salt (PyPI): 3003.3Red Hat: 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Saltstack Salt | Saltstack Salt (before 3003.3) | — | No fix listed | CNA |
| — | salt (PyPI) | before 3003.3 | 3003.3 | Patch available | GHSA-pf7h-h2wq-m7pg |
- Saltstack Salt Vendor— Affected Saltstack Salt (before 3003.3) Fixed in — No fix listed CNA
- salt (PyPI) Vendor— Affected before 3003.3 Fixed in 3003.3 Patch available GHSA-pf7h-h2wq-m7pg
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:* | before 3000.3 | Vulnerable | SaltStack |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 33 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 34 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 35 | Vulnerable | Fedoraproject |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | Debian |
- cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:* Versions before 3000.3 Vulnerable ·SaltStack
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
Remediation
- Fix · GHSA-pf7h-h2wq-m7pg salt (PyPI) Fixed in 3003.3 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Ceph Storage 2 | Affected | No fix planned: Out of support scope |
Timeline
- 2026-10-02 Threatist record created from CVE-2021-21996
- 2026-10-03 Alias added: GHSA-pf7h-h2wq-m7pg
References
Advisory 8
Other 9
- https://github.com/pypa/advisory-database/tree/main/vulns/salt/PYSEC-2021-318.yaml
- https://github.com/saltstack/salt
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BUWUF5VTENNP2ZYZBVFKPSUHLKLUBD5
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ACVT7M4YLZRLWWQ6SGRK3C6TOF4FXOXT
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MBAHHSGZLEJRCG4DX6J4RBWJAAWH55RQ
- https://lists.fedoraproject.org/archives/list/[email protected]/message/6BUWUF5VTENNP2ZYZBVFKPSUHLKLUBD5
- https://lists.fedoraproject.org/archives/list/[email protected]/message/ACVT7M4YLZRLWWQ6SGRK3C6TOF4FXOXT
- https://lists.fedoraproject.org/archives/list/[email protected]/message/MBAHHSGZLEJRCG4DX6J4RBWJAAWH55RQ
- https://saltproject.io/security_announcements/salt-security-advisory-2021-sep-02
Sources
- CVE-2021-21996 · CVE Program
- CVE-2021-21996 · NVD
- FIRST EPSS
- GHSA-pf7h-h2wq-m7pg · GitHub Advisory Database · CC BY 4.0
- CVE-2021-21996 · Red Hat security data · CC BY 4.0
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