SaltStack · Salt
CVE-2020-11651
SaltStack Salt Authentication Bypass Vulnerability
What it is
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.
CISA: 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.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: May 3, 2022
- Added to the CISA list
- November 3, 2021
- Published
- April 30, 2020
- Severity
- Critical 9.8 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 97% in the top 0.1% of all known vulnerabilities
- More details
- NVD · CVE.org · CISA
All references (11)
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00047.html
- https://www.debian.org/security/2020/dsa-4676
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-salt-2vx545AG
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00070.html
- https://usn.ubuntu.com/4459-1/
- 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
- http://packetstormsecurity.com/files/157560/Saltstack-3000.1-Remote-Code-Execution.html
- http://www.vmware.com/security/advisories/VMSA-2020-0009.html
- http://packetstormsecurity.com/files/157678/SaltStack-Salt-Master-Minion-Unauthenticated-Remote-Code-Executio…
- https://lists.debian.org/debian-lts-announce/2020/05/msg00027.html
More exploited flaws from SaltStack
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Nov 3, 2021 | Path Traversal | Salt | Medium 6.5 | 86% |
| Nov 3, 2021 | Shell Injection | Salt | Critical 9.8 | 99.6% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.