CVEvulnerability
CVE-2011-0040
5.0 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2011-02-09
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-20
Description
The server in Microsoft Active Directory on Windows Server 2003 SP2 does not properly handle an update request for a service principal name (SPN), which allows remote attackers to cause a denial of service (authentication downgrade or outage) via a crafted request that triggers name collisions, aka "Active Directory SPN Validation Vulnerability."
Affected configurations
• microsoft windows 2003 server
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- http://osvdb.org/70825 osvdb.org
- http://secunia.com/advisories/43215 Vendor Advisory
- http://www.securityfocus.com/bid/46145 www.securityfocus.com
- http://www.securitytracker.com/id?1025042 www.securitytracker.com
- http://www.vupen.com/english/advisories/2011/0319 Vendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-005 docs.microsoft.com
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64915 exchange.xforce.ibmcloud.com
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12485 oval.cisecurity.org
- http://osvdb.org/70825 osvdb.org
- http://secunia.com/advisories/43215 Vendor Advisory
- http://www.securityfocus.com/bid/46145 www.securityfocus.com
- http://www.securitytracker.com/id?1025042 www.securitytracker.com
- http://www.vupen.com/english/advisories/2011/0319 Vendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-005 docs.microsoft.com
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64915 exchange.xforce.ibmcloud.com
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12485 oval.cisecurity.org