CVE-2020-35459

HIGH EPSS 47.6%
Published Jan 12, 20215y ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
High
Find Similar
Published Jan 12, 2021 5y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
47.6% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-78 OS Command Injection Injection

Affected Products 2

VendorProductVersionRange
clusterlabscrmsh* ≤4.2.1
debiandebian_linux9.0any

References 6

  • openwall.com http://www.openwall.com/lists/oss-security/2021/01/12/3
    Mailing ListPatchThird Party Advisory
  • bugzilla.suse.com https://bugzilla.suse.com/show_bug.cgi?id=1179999
    Issue TrackingThird Party Advisory
  • github.com https://github.com/ClusterLabs/crmsh/blob/a403aa15f3ea575adfe5e43bf2a31c9f9094fcda/crmsh/history.py#L476
    PatchThird Party Advisory
  • github.com https://github.com/ClusterLabs/crmsh/releases
    Release NotesThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2021/01/msg00021.html
    Mailing ListThird Party Advisory
  • openwall.com https://www.openwall.com/lists/oss-security/2021/01/12/3
    ExploitMailing ListThird Party Advisory

Remediation

  • openwall.com http://www.openwall.com/lists/oss-security/2021/01/12/3
    Mailing ListPatchThird Party Advisory
  • github.com https://github.com/ClusterLabs/crmsh/blob/a403aa15f3ea575adfe5e43bf2a31c9f9094fcda/crmsh/history.py#L476
    PatchThird Party Advisory