All vulnerabilities

Servers and applications

CVE-2006-5794

Unspecified vulnerability in the sshd Privilege Separation Monitor in OpenSSH before 4.5 causes weaker verification that authentication has been successful, which might allow attackers to bypass authentication. NOTE: as of 20061108, it is believed that this issue is only exploitable by leveraging vulnerabilities in the unprivileged process, which are not known to exist.

Severity
High 7.5
Published
8 Nov 2006
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
3.2% in the next 30 daysHigher than 88% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
OpenSSHServers and applications · cpe:a:openbsd:openssh
  • Every version up to 4.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2006-5794
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2006-5794