UpHeron
All vulnerabilities

Servers and applications

CVE-2007-4752

ssh in OpenSSH before 4.7 does not properly handle when an untrusted cookie cannot be created and uses a trusted X11 cookie instead, which allows attackers to violate intended policy and gain privileges by causing an X client to be treated as trusted.

Severity
High 7.5
Published
12 Sept 2007
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
2.4% in the next 30 daysHigher than 84% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Improper input validation (CWE-20)
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
  • Version 4.5
  • Version 4.4p1
  • Version 4.4
  • Version 4.3p2
All 13 release lines
  • Every version up to 4.6
  • Version 4.0
  • Version 4.0p1
  • Version 4.1
  • Version 4.1p1
  • Version 4.2
  • Version 4.2p1
  • Version 4.3
  • Version 4.3p1
  • Version 4.3p2
  • Version 4.4
  • Version 4.4p1
  • Version 4.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2007-4752
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2007-4752