CVE-2021-21996
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.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.51% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 88.6% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-09-08 00:00Z5 YR AGO
- Last updated
- 2024-08-03 18:30Z2 YR AGO
- Reserved
- 2021-01-04
- Assigning CNA
- vmware
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-668Exposure of Resource to Wrong SphereClass
- Data version
- 5.1
- Document digest
- 09dece7eec415af2b4d59cd527591d8f26a7ca843843fd0e645c4ad5cbb6df7d
05 Affected products
06 References
- saltproject.iohttps://saltproject.io/security_announcements/salt-security-advisory-2021-sep-02/
- lists.fedoraproject.orgFEDORA-2021-00ada7e667https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MBAHHSGZLEJRCG4DX6J4RBWJAAWH55RQ/
- lists.fedoraproject.orgFEDORA-2021-93a7c8b7c6https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ACVT7M4YLZRLWWQ6SGRK3C6TOF4FXOXT/
- lists.fedoraproject.orgFEDORA-2021-158e9c6eb9https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BUWUF5VTENNP2ZYZBVFKPSUHLKLUBD5/
- www.debian.orgDSA-5011https://www.debian.org/security/2021/dsa-5011
- lists.debian.org[debian-lts-announce] 20211119 [SECURITY] [DLA 2823-1] salt security updatehttps://lists.debian.org/debian-lts-announce/2021/11/msg00017.html
- lists.debian.org[debian-lts-announce] 20211121 [SECURITY] [DLA 2823-2] salt regression updatehttps://lists.debian.org/debian-lts-announce/2021/11/msg00019.html
- security.gentoo.orgGLSA-202310-22https://security.gentoo.org/glsa/202310-22
07 Fixed in
Ubuntu Pro 18.04 LTS
- salt No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.