# CVE-2013-2551

Use-after-free vulnerability in Microsoft Internet Explorer 6 through 10 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2013, aka "Internet Explorer Use After Free Vulnerability," a different vulnerability than CVE-2013-1308 and CVE-2013-1309.

- Page: https://www.vulneraibility.com/cve/CVE-2013-2551
- CVSS: 8.8
- Known exploited: yes, in CISA KEV since 2022-03-28; CISA due date 2022-04-18; known ransomware use
- EPSS: 74.10% (percentile 99.5)
- Public exploit code: 1 on Exploit-DB · 1 Metasploit module (first 2013-06-13)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-02-07)
- Weakness: CWE-416
- Published: 2013-03-11

## Affected

- microsoft:internet_explorer

## References

- [advisory] https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-037
- [advisory] http://www.us-cert.gov/ncas/alerts/TA13-134A
- [other] http://twitter.com/VUPEN/statuses/309479075385327617
- [other] http://twitter.com/thezdi/statuses/309452625173176320
- [other] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16317
- [other] http://h30499.www3.hp.com/t5/HP-Security-Research-Blog/Pwn2Own-2013/ba-p/5981157
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-2551

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.