CVE-2013-2551

critical-risk
Published 2013-03-11

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.

Do I need to act?

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91.3% chance of exploitation in next 30 days
EPSS score — higher than 9% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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1 public exploit available
26175
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (5)

Affected Vendors

Microsoft

References (13)

Broken Link http://h30499.www3.hp.com/t5/HP-Security-Research-Blog/Pwn2Own-2013/ba-p/5981157
Broken Link http://twitter.com/VUPEN/statuses/309479075385327617
Not Applicable http://twitter.com/thezdi/statuses/309452625173176320
Third Party Advisory http://www.us-cert.gov/ncas/alerts/TA13-134A
Patch https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-03...
Broken Link https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3...
Broken Link http://h30499.www3.hp.com/t5/HP-Security-Research-Blog/Pwn2Own-2013/ba-p/5981157
Broken Link http://twitter.com/VUPEN/statuses/309479075385327617
Not Applicable http://twitter.com/thezdi/statuses/309452625173176320
Third Party Advisory http://www.us-cert.gov/ncas/alerts/TA13-134A
Patch https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-03...
Broken Link https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3...
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-...
76
/ 100
critical-risk
Severity 30/34 · Critical
Exploitability 34/34 · Critical
Exposure 12/34 · Low