Known exploited vulnerability
CVE-2020-11651
The short answer
CVE-2020-11651 affects n/a n/a and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2021-11-03: attackers are using it, so patch it first. Fixed versions are published for salt (2019.2.4, 3000.2).
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.
Severity
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Nov 3, 2021
Federal due date May 3, 2022
EPSS, next 30 days
97%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected packages and fixed versions
| Package | Ecosystem | Fixed in | Advisory |
|---|---|---|---|
| salt | PyPI | 2019.2.4, 3000.2 | GHSA-pjhf-vpx3-33r3 |
Is it in your code? Drop your lockfile into the free vulnerability check, or let vulnerability watch check your repository every day and open the upgrade as a pull request.
Affected products
n/a. NVD's record lists the exact affected versions.
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.debian.org/debian-lts-announce/2020/05/msg00027.html Mailing ListThird Party Advisory
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-salt-2vx545AG Third Party Advisory
- usn.ubuntu.com/4459-1/ Third Party Advisory
- www.debian.org/security/2020/dsa-4676 Third Party Advisory
- 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.debian.org/debian-lts-announce/2020/05/msg00027.html Mailing ListThird Party Advisory
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-salt-2vx545AG Third Party Advisory
- usn.ubuntu.com/4459-1/ Third Party Advisory
- www.debian.org/security/2020/dsa-4676 Third Party Advisory
Questions
Is CVE-2020-11651 being exploited?
Yes. CISA added CVE-2020-11651 to its Known Exploited Vulnerabilities catalog on 2021-11-03, with a federal remediation due date of 2022-05-03.
How do I fix CVE-2020-11651?
Upgrade to a fixed version: salt (PyPI) 2019.2.4 or 3000.2. CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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