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CVE-2011-4373

47
FAUCET Score

CVE-2011-4373 is a critical memory corruption vulnerability affecting Adobe Reader and Acrobat versions prior to 9.5 and 10.1.2 on both Windows and Mac OS X. This flaw allows unauthenticated attackers to execute arbitrary code or cause a denial of service through unspecified vectors. With a CVSS score of 9.8, it is easily exploitable over the network with high impact on confidentiality, integrity, and availability. While there are no known public exploits or active exploitation in the wild, the vulnerability has garnered significant community discussion, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
<= 10.1.1CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat:*:*:*:*:*:*:*:*
<= 10.1.1CPE matchmatch criteria
cpe:2.3:a:adobe:reader:*:*:*:*:*:*:*:*
<= 9.4.6CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat:*:*:*:*:*:*:*:*
9.4.7CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat:9.4.7:*:*:*:*:*:*:*
<= 9.4.6CPE matchmatch criteria
cpe:2.3:a:adobe:reader:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
30.64%
Probability of exploitation in next 30 days
EPSS Percentile
98.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.3064 is in the 95th percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

adobepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: acroread-0:9.5.1-1.el5
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 6Fixed in: acroread-0:9.5.1-1.el6_2
View patch

Vendor Advisories (1)

redhatCVE-2011-4373Critical

acroread: multiple unspecified flaws (APSB12-08, APSB12-01)

Apr 5, 2012

References

oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14615
Third Party AdvisoryTool Signature
adobe.com / support/security/bulletins/apsb12-01.html
PatchVendor Advisory
securityfocus.com / bid/51350
Broken LinkVDB Entry
securitytracker.com / id
Broken LinkVDB Entry