CVE-2011-2103

CVE-2011-2103 is a critical-severity vulnerability in Adobe Acrobat Reader with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

• Severity: Critical (CVSS 2.0 base score 9.3)
• EPSS exploit prediction: 6% (92nd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Adobe Acrobat Reader
• Published: 2011-06-16
• Last modified: 2026-06-16

Description

Adobe Reader and Acrobat 8.x before 8.3 on Windows and Mac OS X allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors.

Frequently asked questions

What is CVE-2011-2103?

Adobe Reader and Acrobat 8.x before 8.3 on Windows and Mac OS X allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors.

How severe is CVE-2011-2103?

CVE-2011-2103 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2011-2103 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2103?

CVE-2011-2103 primarily affects Adobe Acrobat Reader. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2103?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2011-2103 published?

CVE-2011-2103 was published on 2011-06-16 and last updated on 2026-06-16.

References

• http://osvdb.org/73065
• http://www.adobe.com/support/security/bulletins/apsb11-16.html
• http://www.securityfocus.com/bid/48247
• http://www.securitytracker.com/id?1025658
• http://www.us-cert.gov/cas/techalerts/TA11-166A.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/68017
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13738

Affected products (31)

• cpe:2.3:a:adobe:acrobat_reader:8.0:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat_reader:8.1:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat_reader:8.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat_reader:8.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat_reader:8.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat_reader:8.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat_reader:8.1.5:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat_reader:8.1.6:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat_reader:8.1.7:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat_reader:8.2:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat_reader:8.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat_reader:8.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat_reader:8.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat_reader:8.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat_reader:8.2.6:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.0:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.1:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.1.5:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.1.6:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.1.7:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.2:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.2.5:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.2.6:*:*:*:*:*:*:*

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