CVE-2012-2551
The server in Kerberos in Microsoft Windows Server 2008 R2 and R2 SP1, and Windows 7 Gold and SP1...
The server in Kerberos in Microsoft Windows Server 2008 R2 and R2 SP1, and Windows 7 Gold and SP1, allows remote attackers to cause a denial of service (NULL pointer dereference and reboot) via a crafted session request, aka "Kerberos NULL Dereference Vulnerability."
Exploit likelihood
What each source reports
NVD Score used
The server in Kerberos in Microsoft Windows Server 2008 R2 and R2 SP1, and Windows 7 Gold and SP1, allows remote attackers to cause a denial of service (NULL pointer dereference and reboot) via a crafted session request, aka "Kerberos NULL Dereference Vulnerability."
- Record
CVE-2012-2551- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
The server in Kerberos in Microsoft Windows Server 2008 R2 and R2 SP1, and Windows 7 Gold and SP1, allows remote attackers to cause a denial of service (NULL pointer dereference and reboot) via a crafted session request, aka "Kerberos NULL Dereference Vulnerability."
- Record
CVE-2012-2551- Updated
- 2026-11-02
EUVDEUVD-2012-2537 No score
The server in Kerberos in Microsoft Windows Server 2008 R2 and R2 SP1, and Windows 7 Gold and SP1, allows remote attackers to cause a denial of service (NULL pointer dereference and reboot) via a crafted session request, aka "Kerberos NULL Dereference Vulnerability."
- Record
EUVD-2012-2537- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-837r-52cj-mr4x No score
The server in Kerberos in Microsoft Windows Server 2008 R2 and R2 SP1, and Windows 7 Gold and SP1...
The server in Kerberos in Microsoft Windows Server 2008 R2 and R2 SP1, and Windows 7 Gold and SP1, allows remote attackers to cause a denial of service (NULL pointer dereference and reboot) via a crafted session request, aka "Kerberos NULL Dereference Vulnerability."
- Record
GHSA-837r-52cj-mr4x- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-2551 is a medium vulnerability (CVSS 5.0) in Microsoft Windows 7, published October 9, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 27.5%, the 98th percentile. No source names a fixed version.
References
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15674
secunia.com/advisories/50867
securitytracker.com/id?1027620
docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-069
securityfocus.com/bid/55778
us-cert.gov/cas/techalerts/TA12-283A.html
nvd.nist.gov/vuln/detail/CVE-2012-2551
github.com/advisories/GHSA-837r-52cj-mr4x