CVE-2021-25315 salt-api unauthenticated remote code execution

What is CVE-2021-25315?

CVE-2021-25315 is a critical authentication bypass vulnerability in Saltstack Salt, published on 3 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

CWE - CWE-287: Improper Authentication vulnerability in SUSE Linux Enterprise Server 15 SP 3; openSUSE Tumbleweed allows local attackers to execute arbitrary code via salt without the need to specify valid credentials. This issue affects: SUSE Linux Enterprise Server 15 SP 3 salt versions prior to 3002.2-3. openSUSE Tumbleweed salt version 3002.2-2.1 and prior versions. This issue affects: SUSE Linux Enterprise Server 15 SP 3 salt versions prior to 3002.2-3. openSUSE Tumbleweed salt version 3002.2-2.1 and prior versions.

Weakness: CWE-287

Which versions are affected by CVE-2021-25315?

3 open source packages ship an affected version, including salt. It affects 1 product.

Products include Saltstack Salt.

How do I fix CVE-2021-25315?

Upgrade salt to 3002.2 or later.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2021-25315 being exploited?

There is no known exploitation of CVE-2021-25315 in the wild and no public exploit code.

Other vulnerabilities in Saltstack Salt

• CVE-2013-4437 SaltStack insecurely uses /tmp Critical 10.0
• CVE-2013-6617 SaltStack Privilege Escalation vulnerability Critical 10.0
• CVE-2021-33226 Code injection in n/a Critical 9.8
• CVE-2018-15751 SaltStack Salt Remote command execution and incorrect access control when using salt-api Critical 9.8
• CVE-2017-7893 SaltStack Salt allows compromised salt-minions to impersonate the salt-master Critical 9.8

All Saltstack Salt vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-pmj6-9f8c-8g2m, PYSEC-2021-891.