CVEvulnerability
CVE-2020-11651
CISA Known Exploited Vulnerability
SaltStack Salt Authentication Bypass Vulnerability — SaltStack Salt
SaltStack Salt contains an authentication bypass vulnerability in the salt-master process ClearFuncs due to improperly validating method calls. The vulnerability allows a remote user to access some methods without authentication, which can be used to retrieve user tokens from the salt master and/or run commands on salt minions. Salt users who follow fundamental internet security guidelines and best practices are not affected by this vulnerability.
- Added to KEV
- 2021-11-03
- Remediation due
- 2022-05-03
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
- Notes
- https://nvd.nist.gov/vuln/detail/CVE-2020-11651
- Status
- Analyzed
- Published
- 2020-04-30
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Description
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.
Affected configurations
• saltstack salt (< 2019.2.4)
• saltstack salt (>= 3000 < 3000.2)
• opensuse leap 15.1
• debian debian linux 8.0
• debian debian linux 9.0
• debian debian linux 10.0
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• vmware application remote collector 7.5.0
• vmware application remote collector 8.0.0
References
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00047.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00070.html Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/157560/Saltstack-3000.1-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/157678/SaltStack-Salt-Master-Minion-Unauthenticated-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- http://www.vmware.com/security/advisories/VMSA-2020-0009.html Third Party Advisory
- https://docs.saltstack.com/en/latest/topics/releases/2019.2.4.html Vendor Advisory
- https://github.com/saltstack/salt/blob/v3000.2_docs/doc/topics/releases/3000.2.rst Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/05/msg00027.html Mailing List, Third Party Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-salt-2vx545AG Third Party Advisory
- https://usn.ubuntu.com/4459-1/ Third Party Advisory
- https://www.debian.org/security/2020/dsa-4676 Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00047.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00070.html Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/157560/Saltstack-3000.1-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/157678/SaltStack-Salt-Master-Minion-Unauthenticated-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- http://www.vmware.com/security/advisories/VMSA-2020-0009.html Third Party Advisory
- https://docs.saltstack.com/en/latest/topics/releases/2019.2.4.html Vendor Advisory
- https://github.com/saltstack/salt/blob/v3000.2_docs/doc/topics/releases/3000.2.rst Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/05/msg00027.html Mailing List, Third Party Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-salt-2vx545AG Third Party Advisory
- https://usn.ubuntu.com/4459-1/ Third Party Advisory
- https://www.debian.org/security/2020/dsa-4676 Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-11651 US Government Resource