CVE-2011-2431

Adobe Reader and Acrobat 8.x before 8.3.1, 9.x before 9.4.6, and 10.x before 10.1.1 allow...

9.3 High

Adobe Reader and Acrobat 8.x before 8.3.1, 9.x before 9.4.6, and 10.x before 10.1.1 allow attackers to execute arbitrary code via unspecified vectors, related to a "security bypass vulnerability."

Exploit likelihood

4.90%Up 1.3 points since Feb 4, 2022

What each source reports

NVD Score used 9.3

Adobe Reader and Acrobat 8.x before 8.3.1, 9.x before 9.4.6, and 10.x before 10.1.1 allow attackers to execute arbitrary code via unspecified vectors, related to a "security bypass vulnerability."

Record: CVE-2011-2431
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-264
Updated: 2026-11-02

CVE List No score

Adobe Reader and Acrobat 8.x before 8.3.1, 9.x before 9.4.6, and 10.x before 10.1.1 allow attackers to execute arbitrary code via unspecified vectors, related to a "security bypass vulnerability."

Record: CVE-2011-2431
Updated: 2026-11-02

EUVDEUVD-2011-2420 No score

Adobe Reader and Acrobat 8.x before 8.3.1, 9.x before 9.4.6, and 10.x before 10.1.1 allow attackers to execute arbitrary code via unspecified vectors, related to a "security bypass vulnerability."

Record: EUVD-2011-2420
Updated: 2026-11-03

GitHub AdvisoriesGHSA-m3m5-m8qr-9qw9 No score

Adobe Reader and Acrobat 8.x before 8.3.1, 9.x before 9.4.6, and 10.x before 10.1.1 allow...

Adobe Reader and Acrobat 8.x before 8.3.1, 9.x before 9.4.6, and 10.x before 10.1.1 allow attackers to execute arbitrary code via unspecified vectors, related to a "security bypass vulnerability."

Record: GHSA-m3m5-m8qr-9qw9
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`acroread` Red Hat:rhel_extras:4 From an advisory covering 42 CVEs	before 0:9.4.6-1.el4	0:9.4.6-1.el4
`acroread-plugin` Red Hat:rhel_extras:4 From an advisory covering 42 CVEs	before 0:9.4.6-1.el4	0:9.4.6-1.el4
`acroread` Red Hat:rhel_extras:5::client From an advisory covering 42 CVEs	before 0:9.4.6-1.el5	0:9.4.6-1.el5
`acroread-plugin` Red Hat:rhel_extras:5::client From an advisory covering 42 CVEs	before 0:9.4.6-1.el5	0:9.4.6-1.el5
`acroread` Red Hat:rhel_extras:5::server From an advisory covering 42 CVEs	before 0:9.4.6-1.el5	0:9.4.6-1.el5
`acroread-plugin` Red Hat:rhel_extras:5::server From an advisory covering 42 CVEs	before 0:9.4.6-1.el5	0:9.4.6-1.el5
`acroread` Red Hat:rhel_extras:6 From an advisory covering 42 CVEs	before 0:9.4.6-1.el6	0:9.4.6-1.el6
`acroread-plugin` Red Hat:rhel_extras:6 From an advisory covering 42 CVEs	before 0:9.4.6-1.el6	0:9.4.6-1.el6

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-2431 is a high vulnerability (CVSS 9.3) in Adobe Acrobat, published September 15, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.90%, the 92nd percentile. No source names a fixed version.

References

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