saltstack salt CVE-2020-11651 vulnerability in SaltStack and Other Products
Published on April 30, 2020

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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.

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Known Exploited Vulnerability

This SaltStack Salt Authentication Bypass vulnerability is part of CISA's list of Known Exploited Vulnerabilities. The salt-master process ClearFuncs class does not properly validate method calls. This allows a remote user to access some methods without authentication.

The following remediation steps are recommended / required by May 3, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2020-11651 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Products Associated with CVE-2020-11651

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2020-11651 are published in these products:

SaltStack Salt
 
Debian Linux
 
OpenSuse Leap
 
Canonical Ubuntu Linux
 
VMware Application Remote Collector
 

Exploit Probability

EPSS
94.42%
Percentile
99.98%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.