CVE-2020-11651
CRITICALCVSS 9.8/10Actively ExploitedEPSS 96.41%
Last modified
CVE-2020-11651 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. CISA has confirmed active exploitation in the wild. EPSS estimates a 96.41% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 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.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00070.htmlMailing List, Third Party Advisory
- http://packetstormsecurity.com/files/157560/Saltstack-3000.1-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/157678/SaltStack-Salt-Master-Minion-Unauthenticated-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://www.vmware.com/security/advisories/VMSA-2020-0009.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/05/msg00027.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/4459-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4676Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00047.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00070.htmlMailing List, Third Party Advisory
- http://packetstormsecurity.com/files/157560/Saltstack-3000.1-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/157678/SaltStack-Salt-Master-Minion-Unauthenticated-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://www.vmware.com/security/advisories/VMSA-2020-0009.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/05/msg00027.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/4459-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4676Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-11651US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2020-11651?
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.
How severe is CVE-2020-11651?
CVE-2020-11651 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 96.41% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2020-11651?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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