MEDIUM
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."
Published Oct 9, 2012
5.0
MEDIUMCVSS 2.0
EPSS 27.48%
Description
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."
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
27.48% 0.27476
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.27476
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 27.48% (0.27476) | 98.02th | v5 (v2026.06.15) |
| Jun 15, 2026 | 27.48% (0.27476) | 97.81th | v5 (v2026.06.15) |
| Oct 18, 2025 | 61.33% (0.61326) | 98.21th | v4 (v2025.03.14) |
| Mar 30, 2025 | 73.66% (0.73659) | 98.73th | v4 (v2025.03.14) |
| Mar 29, 2025 | 79.43% (0.79431) | 98.81th | v4 (v2025.03.14) |
| Mar 17, 2025 | 73.66% (0.73659) | 98.73th | v4 (v2025.03.14) |
| Feb 15, 2025 | 95.78% (0.95783) | 99.60th | v3 (v2023.03.01) |
| Dec 22, 2024 | 91.93% (0.91933) | 99.18th | v3 (v2023.03.01) |
| Dec 17, 2024 | 85.49% (0.85489) | 98.77th | v3 (v2023.03.01) |
| Oct 28, 2024 | 60.64% (0.60636) | 97.87th | v3 (v2023.03.01) |
| Aug 30, 2023 | 53.26% (0.53257) | 97.16th | v3 (v2023.03.01) |
| Apr 27, 2023 | 43.70% (0.43702) | 96.80th | v3 (v2023.03.01) |
| Mar 7, 2023 | 32.61% (0.32609) | 96.30th | v3 (v2023.03.01) |
| Mar 6, 2023 | 33.19% (0.33187) | 97.64th | v2 (v2022.01.01) |
| Feb 4, 2022 | 33.19% (0.33187) | 96.57th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (6)
- http://secunia.com/advisories/50867 third-party-advisoryx_refsource_SECUNIA
- http://www.securityfocus.com/bid/55778 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1027620 vdb-entryx_refsource_SECTRACK
- http://www.us-cert.gov/cas/techalerts/TA12-283A.html third-party-advisoryx_refsource_CERTUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-069 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15674 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/50867 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.securityfocus.com/bid/55778 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1027620 | vdb-entryx_refsource_SECTRACK | |
| http://www.us-cert.gov/cas/techalerts/TA12-283A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-069 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15674 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Oct 9, 2012
Updated Aug 6, 2024
Reserved May 9, 2012
Link CVE-2012-2551
CISA Vulnrichment
Updated n/a