How severe is CVE-2011-2101?

CVE-2011-2101 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2011-2101 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2101?

CVE-2011-2101 primarily affects Adobe Acrobat Reader. In total, 71 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2101?

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-2011-2101 published?

CVE-2011-2101 was published on 2011-06-16 and last updated on 2026-06-16.

CVE-2011-2101

CVE-2011-2101 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-94.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Adobe Acrobat Reader
Published: 2011-06-16
Last modified: 2026-06-16

Description

Adobe Reader and Acrobat 8.x before 8.3, 9.x before 9.4.5, and 10.x before 10.1 on Windows and Mac OS X do not properly restrict script, which allows attackers to execute arbitrary code via a crafted document, related to a "cross document script execution vulnerability."

Frequently asked questions

What is CVE-2011-2101?: Adobe Reader and Acrobat 8.x before 8.3, 9.x before 9.4.5, and 10.x before 10.1 on Windows and Mac OS X do not properly restrict script, which allows attackers to execute arbitrary code via a crafted document, related to a "cross document script execution vulnerability."
How severe is CVE-2011-2101?: CVE-2011-2101 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2011-2101 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2101?: CVE-2011-2101 primarily affects Adobe Acrobat Reader. In total, 71 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2101?: 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-2011-2101 published?: CVE-2011-2101 was published on 2011-06-16 and last updated on 2026-06-16.

References

Affected products (71)

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_reader:9.0:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.1.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.1.2:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.1.3:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.2:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.3:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.3.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.3.2:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.3.3:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.3.4:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.4:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.4.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.4.2:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.4.3:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.4.4:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:10.0:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:10.0.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:10.0.2:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:10.0.3:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

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