CVE-2013-2556
Unspecified vulnerability in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 through SP1 allows attackers to bypass the ASLR protection mechanism via unknown vectors, as demonstrated against Adobe Flash Player by VUPEN during a Pwn2Own competition at CanSecWest 2013, aka "ASLR Security Feature Bypass Vulnerability."
Key facts
- CVSS score
- 7.5 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P- EPSS score
- 7.6% (95th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2013-2498)
- Published
- March 11, 2013
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2013-2498 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- microsoft / windows 7
- microsoft / windows 7
- microsoft / windows server 2008
- microsoft / windows server 2008
- microsoft / windows server 2008
- microsoft / windows server 2008
- microsoft / windows server 2008
- microsoft / windows vista
Certified products that may be affected
7 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Windows Vista Enhanced Cryptographic Provider (RSAENH) - Microsoft Corporation - FIPS 140 1002 - historical
- Windows Vista Enhanced DSS and Diffie-Hellman Cryptographic Provider (DSSENH) - Microsoft Corporation - FIPS 140 1003 - historical
- Windows Vista Boot Manager (bootmgr) - Microsoft Corporation - FIPS 140 978 - historical
- Windows Vista Winload OS Loader (winload.exe) - Microsoft Corporation - FIPS 140 979 - historical
- Windows Vista Code Integrity (ci.dll) - Microsoft Corporation - FIPS 140 980 - historical
See all 7 in the Security Certifications Explorer.
References
- http://h30499.www3.hp.com/t5/HP-Security-Research-Blog/Pwn2Own-2013/ba-p/5981157
- http://twitter.com/VUPEN/statuses/309713355466227713
- http://twitter.com/thezdi/statuses/309756927301283840
- http://www.us-cert.gov/ncas/alerts/TA13-225A(US Government Resource)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-063
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18132
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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