CVE-2020-16846

Vulnerability overview

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.

Severity and scoring

CVSS score

9.8 · CRITICAL

CVSS version

3.1

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-78

CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.

Known exploitation and remediation

Listed in CISA’s Known Exploited Vulnerabilities catalog.

Affected product

SaltStack · Salt

Added to catalog

2021-11-03

Required action

Apply updates per vendor instructions.

CISA remediation due date

2022-05-03

CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.

Verify affected versions and patch availability in the vendor advisory before making changes.

Affected products and versions

• cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*

  Before (exclusive): 2015.8.10

• cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*

  From (inclusive): 2015.8.11

  Before (exclusive): 2015.8.13

• cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*

  From (inclusive): 2016.3.0

  Before (exclusive): 2016.3.4

• cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*

  From (inclusive): 2016.3.5

  Before (exclusive): 2016.3.6

• cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*

  From (inclusive): 2016.3.7

  Before (exclusive): 2016.3.8

• cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*

  From (inclusive): 2016.11.0

  Before (exclusive): 2016.11.3

• cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*

  From (inclusive): 2016.11.4

  Before (exclusive): 2016.11.6

• cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*

  From (inclusive): 2016.11.7

  Before (exclusive): 2016.11.10

• cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*

  From (inclusive): 2017.5.0

  Before (exclusive): 2017.7.4

• cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*

  From (inclusive): 2017.7.5

  Before (exclusive): 2017.7.8

• cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*

  From (inclusive): 2018.2.0

  Before (exclusive): 2018.3.5

• cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*

  From (inclusive): 2019.2.0

  Before (exclusive): 2019.2.5

• cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*

  From (inclusive): 3000.0

  Before (exclusive): 3000.3

• cpe:2.3:a:saltstack:salt:3001:*:*:*:*:*:*:*

• cpe:2.3:a:saltstack:salt:3002:*:*:*:*:*:*:*

• cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

• cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

• cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*

• cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.

Advisories and references

• http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00029.html

  Mailing List · Third Party Advisory

• http://packetstormsecurity.com/files/160039/SaltStack-Salt-REST-API-Arbitrary-Command-Execution.html

  Exploit · Third Party Advisory · VDB Entry

• https://github.com/saltstack/salt/releases

  Release Notes

• https://lists.debian.org/debian-lts-announce/2020/12/msg00007.html

  Mailing List · Third Party Advisory

• https://lists.debian.org/debian-lts-announce/2022/01/msg00000.html

  Mailing List · Third Party Advisory

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TPOGB2F6XUAIGFDTOCQDNB2VIXFXHWMA/

  Release Notes

• https://security.gentoo.org/glsa/202011-13

  Third Party Advisory

• https://www.debian.org/security/2021/dsa-4837

  Mailing List · Third Party Advisory

• https://www.saltstack.com/blog/on-november-3-2020-saltstack-publicly-disclosed-three-new-cves/

  Broken Link · Vendor Advisory

• https://www.zerodayinitiative.com/advisories/ZDI-20-1379/

  Third Party Advisory · VDB Entry

• https://www.zerodayinitiative.com/advisories/ZDI-20-1380/

  Third Party Advisory · VDB Entry

• https://www.zerodayinitiative.com/advisories/ZDI-20-1381/

  Third Party Advisory · VDB Entry

• https://www.zerodayinitiative.com/advisories/ZDI-20-1382/

  Third Party Advisory · VDB Entry

• https://www.zerodayinitiative.com/advisories/ZDI-20-1383/

  Third Party Advisory · VDB Entry

• http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00029.html

  Mailing List · Third Party Advisory

• http://packetstormsecurity.com/files/160039/SaltStack-Salt-REST-API-Arbitrary-Command-Execution.html

  Exploit · Third Party Advisory · VDB Entry

• https://github.com/saltstack/salt/releases

  Release Notes

• https://lists.debian.org/debian-lts-announce/2020/12/msg00007.html

  Mailing List · Third Party Advisory

• https://lists.debian.org/debian-lts-announce/2022/01/msg00000.html

  Mailing List · Third Party Advisory

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TPOGB2F6XUAIGFDTOCQDNB2VIXFXHWMA/

  Release Notes

• https://security.gentoo.org/glsa/202011-13

  Third Party Advisory

• https://www.debian.org/security/2021/dsa-4837

  Mailing List · Third Party Advisory

• https://www.saltstack.com/blog/on-november-3-2020-saltstack-publicly-disclosed-three-new-cves/

  Broken Link · Vendor Advisory

• https://www.zerodayinitiative.com/advisories/ZDI-20-1379/

  Third Party Advisory · VDB Entry

• https://www.zerodayinitiative.com/advisories/ZDI-20-1380/

  Third Party Advisory · VDB Entry

• https://www.zerodayinitiative.com/advisories/ZDI-20-1381/

  Third Party Advisory · VDB Entry

• https://www.zerodayinitiative.com/advisories/ZDI-20-1382/

  Third Party Advisory · VDB Entry

• https://www.zerodayinitiative.com/advisories/ZDI-20-1383/

  Third Party Advisory · VDB Entry

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-16846

  US Government Resource

Explore official sources

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