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Servers and applications

CVE-2022-43755

Rancher cattle-token is predictable

Severity
Critical 9.8
Published
25 Jan 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
2.6.10, 2.7.1
Also known as
GHSA-8c69-r38j-rpfj
Sources
NVD, Project advisories (GitHub)

Description

A Insufficient Entropy vulnerability in SUSE Rancher allows attackers that gained knowledge of the cattle-token to continue abusing this even after the token was renewed. This issue affects: SUSE Rancher Rancher versions prior to 2.6.10; Rancher versions prior to 2.7.1.

Affected software

SoftwareAffected versions
RancherServers and applications · cpe:a:suse:rancher
  • From 2.6.0 before 2.6.10
  • From 2.7.0 before 2.7.1
RancherServers and applications · github:rancher/rancher
  • From 2.6.0 before 2.6.10
  • From 2.7.0 before 2.7.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-43755
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-43755
  • GitHub Advisory Database https://github.com/advisories/GHSA-8c69-r38j-rpfj
  • github.com https://github.com/rancher/rancher/security/advisories/GHSA-8c69-r38j-rpfj