CVE-2013-2551: Microsoft Internet Explorer Use-After-Free Vulnerability

CVE-2013-2551 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2022-03-28

A use-after-free vulnerability in Microsoft Internet Explorer 6 through 10 allows remote attackers to execute arbitrary code. The flaw is triggered when a crafted website causes the browser to access a deleted object in memory.

Technologies: Microsoft Edge, Microsoft Internet Explorer. Vendors: Microsoft.

Quick answers

Is CVE-2013-2551 exploited in the wild?
Yes. CVE-2013-2551 is known to be exploited in the wild, first recorded on 28 March 2022. Treat it as urgent.
How severe is CVE-2013-2551?
Critical severity, with a CVSS score of 8.8, published 28 March 2022.
Which products and versions are affected?
Microsoft Internet Explorer 6 through 10.
Is there a fix for CVE-2013-2551?
A patch was published on 2013-05-14: Microsoft released security bulletin MS13-037 to address the issue. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2013-2551 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2013-2551?
Check whether you run Microsoft Edge or Microsoft Internet Explorer. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft Internet Explorer 6 through 10

Timeline

  • 2013-03-06: disclosed: Demonstrated by VUPEN during Pwn2Own competition at CanSecWest 2013.
  • 2013-05-14: patched: Microsoft released security bulletin MS13-037 to address the issue.
  • 2022-03-28: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.

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