CVE DATABASE / CVE-2020-11651
CVE-2020-11651
SaltStack Salt Authentication Bypass Vulnerability
Confirmed exploited in the wild. Added 2021-11-03.
Federal remediation due 2022-05-03.
Required action: Apply updates per vendor instructions.
Summary
An issue was discovered in SaltStack Salt before 2019.2.4 and 3000 before 3000.2. The salt-master process ClearFuncs class does not properly validate method calls. This allows a remote user to access some methods without authentication. These methods can be used to retrieve user tokens from the salt master and/or run arbitrary commands on salt minions.
CVSS 3.1 breakdown
| Base score | 9.8 (CRITICAL) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Affected products
Use our free CVE Lookup tool for the latest NVD record, or browse the full CISA KEV catalog.
References
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00047.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00070.html
- http://packetstormsecurity.com/files/157560/Saltstack-3000.1-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/157678/SaltStack-Salt-Master-Minion-Unauthenticated-Remote-Code-Execution.html
- http://www.vmware.com/security/advisories/VMSA-2020-0009.html
- https://docs.saltstack.com/en/latest/topics/releases/2019.2.4.html
- https://github.com/saltstack/salt/blob/v3000.2_docs/doc/topics/releases/3000.2.rst
- https://lists.debian.org/debian-lts-announce/2020/05/msg00027.html
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-salt-2vx545AG
- https://usn.ubuntu.com/4459-1/
- https://www.debian.org/security/2020/dsa-4676
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-11651
Data: NIST NVD + CISA KEV. NVD last modified 2025-11-07. Always verify against the vendor advisory before acting.