What’s Vulnerable › Vulnerabilities

CVE-2020-35459

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-01-12 · updated 2026-06-17
• Weakness: CWE-78

Description

An issue was discovered in ClusterLabs crmsh through 4.2.1. Local attackers able to call "crm history" (when "crm" is run) were able to execute commands via shell code injection to the crm history commandline, potentially allowing escalation of privileges.

Affected products

• ClusterLabs Crmsh: through 4.2.1
• Debian Linux: 9.0

References

• http://www.openwall.com/lists/oss-security/2021/01/12/3
• https://bugzilla.suse.com/show_bug.cgi?id=1179999
• https://github.com/ClusterLabs/crmsh/blob/a403aa15f3ea575adfe5e43bf2a31c9f9094fcda/crmsh/history.py#L476
• https://github.com/ClusterLabs/crmsh/releases
• https://lists.debian.org/debian-lts-announce/2021/01/msg00021.html
• https://www.openwall.com/lists/oss-security/2021/01/12/3
• http://www.openwall.com/lists/oss-security/2021/01/12/3
• https://bugzilla.suse.com/show_bug.cgi?id=1179999
• https://github.com/ClusterLabs/crmsh/blob/a403aa15f3ea575adfe5e43bf2a31c9f9094fcda/crmsh/history.py#L476
• https://github.com/ClusterLabs/crmsh/releases
• https://lists.debian.org/debian-lts-announce/2021/01/msg00021.html
• https://www.openwall.com/lists/oss-security/2021/01/12/3

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