Vulnerability in Saltstack Salt
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.
Published · last modified .
CVSS v3 metric
CVSS v3 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.
EPSS exploit prediction
EPSS: 0.966 (99.9th percentile), scored .
Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.966 · newest: 0.966 · change: 0.000
Affected products
- Saltstack Salt
- VMware Application Remote Collector — versions 7.5.0, 8.0.0
- Canonical Ubuntu Linux — versions 16.04, 18.04
- Debian Linux — versions 8.0, 9.0, 10.0
- openSUSE Leap — versions 15.1
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- docs.saltstack.com/en/latest/topics/releases/2019.2.4.html (Vendor Advisory)
- github.com/saltstack/salt/blob/v3000.2_docs/doc/topics/releases/3000.2.rst (Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-04/msg00047.html (vendor-advisory, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/157560/Saltstack-3000.1-Remote-Code-Execution.html (Exploit, VDB Entry, Third Party Advisory)
- www.debian.org/security/2020/dsa-4676 (vendor-advisory, Third Party Advisory)
- www.vmware.com/security/advisories/VMSA-2020-0009.html (Third Party Advisory)
- packetstormsecurity.com/files/157678/SaltStack-Salt-Master-Minion-Unauthenticat… (Exploit, VDB Entry, Third Party Advisory)
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-salt-2vx… (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/05/msg00027.html (mailing-list, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00070.html (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-11651?
- CVE-2020-11651 is a critical-severity vulnerability in Saltstack Salt. CVSS score: 9.8/10. Published 2020-04-30.
- How severe is CVE-2020-11651?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-11651 known to be exploited?
- Yes. CVE-2020-11651 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 110 public proof-of-concept repositories are indexed.