All vulnerabilities

Servers and applications

CVE-2021-41617

sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege escalation because supplemental groups are not initialized as expected. Helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand may run with privileges associated with group memberships of the sshd process, if the configuration specifies running the command as a…

Severity
High 7.0
Published
26 Sept 2021
Last changed
14 Oct 2026
Added to UpHeron
21 Oct 2026
Fixed in
8.8
Sources
NVD

Affected software

SoftwareAffected versions
OpenSSHServers and applications · cpe:a:openbsd:openssh
  • From 6.2 before 8.8

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-41617
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-41617