CVE-2020-16846
An issue was discovered in SaltStack Salt through 3002. Sending crafted web requests to the Salt API, with the SSH client enabled, can result in shell injection.
02 Description
An issue was discovered in SaltStack Salt through 3002. Sending crafted web requests to the Salt API, with the SSH client enabled, can result in shell injection.
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2021-11-03. Federal remediation due 2022-05-03.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 99.58% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 99.9% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. 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
- 2020-11-06 07:27Z5 YR AGO
- Last updated
- 2025-10-21 23:35Z1 YR AGO
- Reserved
- 2020-08-04
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base
- Data version
- 5.1
- Document digest
- 98049020e3ef1c83e75624f8ada3e5b344a22e5d858e05712419b048a3c96f56
05 Affected products
06 References
- github.comhttps://github.com/saltstack/salt/releases
- www.saltstack.comhttps://www.saltstack.com/blog/on-november-3-2020-saltstack-publicly-disclosed-three-new-cves/
- lists.fedoraproject.orgFEDORA-2020-9e040bd6ddhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TPOGB2F6XUAIGFDTOCQDNB2VIXFXHWMA/
- lists.opensuse.orgopenSUSE-SU-2020:1868http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00029.html
- security.gentoo.orgGLSA-202011-13https://security.gentoo.org/glsa/202011-13
- packetstormsecurity.comhttp://packetstormsecurity.com/files/160039/SaltStack-Salt-REST-API-Arbitrary-Command-Execution.html
- www.zerodayinitiative.comhttps://www.zerodayinitiative.com/advisories/ZDI-20-1381/
- www.zerodayinitiative.comhttps://www.zerodayinitiative.com/advisories/ZDI-20-1383/
- www.zerodayinitiative.comhttps://www.zerodayinitiative.com/advisories/ZDI-20-1380/
- www.zerodayinitiative.comhttps://www.zerodayinitiative.com/advisories/ZDI-20-1379/
- www.zerodayinitiative.comhttps://www.zerodayinitiative.com/advisories/ZDI-20-1382/
- lists.debian.org[debian-lts-announce] 20201204 [SECURITY] [DLA 2480-1] salt security updatehttps://lists.debian.org/debian-lts-announce/2020/12/msg00007.html
- www.debian.orgDSA-4837https://www.debian.org/security/2021/dsa-4837
- lists.debian.org[debian-lts-announce] 20220103 [SECURITY] [DLA 2480-2] salt regression updatehttps://lists.debian.org/debian-lts-announce/2022/01/msg00000.html
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-16846
07 Fixed in
Ubuntu Pro 14.04 LTS
- salt Fixed in 0.17.5+ds-1ubuntu0.1~esm4Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- salt Fixed in 2015.8.8+ds-1ubuntu0.1+esm2Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- salt Fixed in 2017.7.4+dfsg1-1ubuntu18.04.2+esm1Available with Ubuntu Pro: https://ubuntu.com/pro
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.