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CRITICAL · CVSS 9.8 CISA Known Exploited Vulnerability

CVE-2011-2462

Adobe Reader and Acrobat Universal 3D Memory Corruption Vulnerability

Adobe Reader and Acrobat

Unspecified vulnerability in the U3D component in Adobe Reader and Acrobat 10.1.1 and earlier on Windows and Mac OS X, and Adobe Reader 9.x through 9.4.6 on UNIX, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via unknown vectors, as exploited in the wild in December 2011.

CVSS
9.8
CRITICAL
EPSS
88.6%
30-day exploitation
Ransomware groups
0
recorded exploiting
Published
7 Dec 2011
CWE-787

Exploitation status

CISA Known Exploited Vulnerabilities

Listed by CISA on 8 June 2022. US federal agencies were required to remediate it by 22 June 2022.

EPSS — exploitation probability

FIRST puts the probability of exploitation activity in the next 30 days at 88.6%, which is higher than 99.8% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Frequently asked questions

Is CVE-2011-2462 being exploited by ransomware groups?

No ransomware group in this database is currently recorded as exploiting CVE-2011-2462.

What does CVE-2011-2462 affect?

CVE-2011-2462 affects Adobe Reader and Acrobat. Unspecified vulnerability in the U3D component in Adobe Reader and Acrobat 10.1.1 and earlier on Windows and Mac OS X, and Adobe Reader 9.x through 9.4.6 on UNIX, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via unknown vectors, as exploited in the wild in December 2011.

How severe is CVE-2011-2462?

CVE-2011-2462 is rated CRITICAL with a CVSS base score of 9.8. EPSS puts the probability of exploitation in the next 30 days at 88.6%, higher than 99.8% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 22 June 2022.

How should organisations respond to CVE-2011-2462?

Apply the vendor patch for Adobe Reader and Acrobat as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.