Use After Free in Microsoft Internet_explorer
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 competiti…
Vulnerability class: Use-After-Free
EPSS: 0.741 (99.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MS, vendor-advisory, Patch, Vendor Advisory)
- cve@mitre.org (US Government Resource, Third Party Advisory, x_refsource_CERT, third-party-advisory)
- cve@mitre.org (x_refsource_MISC, Broken Link)
- cve@mitre.org (x_refsource_MISC, Not Applicable)
- cve@mitre.org (Broken Link, signature, x_refsource_OVAL, vdb-entry)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Broken Link)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2013-2551?
- CVE-2013-2551 is a high-severity vulnerability in Microsoft Internet_explorer, classified under Use After Free. CVSS score: 8.8/10. Published 2013-03-11.
- How severe is CVE-2013-2551?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2013-2551 known to be exploited?
- Yes. CVE-2013-2551 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-28), indicating it is being actively exploited. 7 public proof-of-concept repositories are indexed.