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CVE-2011-0563

29
FAUCET Score

CVE-2011-0563 is a critical memory corruption vulnerability affecting Adobe Reader and Acrobat versions 10.x, 9.x, and 8.x on both Windows and Mac OS X. This flaw allows unauthenticated, remote attackers to execute arbitrary code or cause a denial of service. With a CVSS score of 9.3, it represents a high-severity risk due to its network-based attack vector and complete compromise potential for confidentiality, integrity, and availability. Despite its age, there is no public exploit code available, nor is it listed on the CISA KEV catalog, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
8.0CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_reader:8.0:*:*:*:*:*:*:*
8.1CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_reader:8.1:*:*:*:*:*:*:*
8.1.1CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_reader:8.1.1:*:*:*:*:*:*:*
8.1.2CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_reader:8.1.2:*:*:*:*:*:*:*
8.1.4CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_reader:8.1.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.33%
Probability of exploitation in next 30 days
EPSS Percentile
90.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0433 is in the 54th percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

adobepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Extras for RHEL 4Fixed in: acroread-0:9.4.2-1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: acroread-0:9.4.2-3.el6_0
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: acroread-0:9.4.2-1.el5
View patch

Vendor Advisories (1)

redhatCVE-2011-0563Critical

acroread: critical APSB11-03

Feb 8, 2011

References

secunia.com / advisories/43470
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12452
adobe.com / support/security/bulletins/apsb11-03.html
PatchVendor Advisory
redhat.com / support/errata/RHSA-2011-0301.html
securitytracker.com / id
vupen.com / english/advisories/2011/0337
Vendor Advisory
vupen.com / english/advisories/2011/0492