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Vulnerability DatabaseCVE-2021-39849

CVE-2021-39849: 
Adobe Acrobat Reader Continuous vulnerability analysis and mitigation

Overview

CVE-2021-39849 is a vulnerability affecting Adobe Acrobat and Adobe Reader software. The vulnerability was disclosed on September 14, 2021, and affects multiple versions including Acrobat DC Continuous 2021.005.20060 and earlier versions (Windows), Acrobat Reader DC Continuous 2021.005.20058 and earlier versions (MacOS), Acrobat 2020 Classic 2020, and Acrobat Reader 2020 Classic 2020 (Qualys Alert).

Technical details

The vulnerability has been assigned a CVSS Base Score of 6.8 with a Temporal Score of 5.3, indicating a moderate severity level. The technical assessment involves checking for vulnerable versions of Acrobat.dll, AcroRd32.dll, and nppdf32.dll files on Windows systems, while on MacOS, the detection focuses on examining the installed application list for vulnerable versions of Adobe Reader and Acrobat (Qualys Alert).

Impact

If successfully exploited, this vulnerability could potentially compromise the Confidentiality, Integrity, and Availability of the affected systems (Qualys Alert).

Mitigation and workarounds

Adobe has released security updates to address this vulnerability. Users are advised to refer to Adobe Security Bulletin APSB21-55 for specific update instructions and patches (Adobe Security, Qualys Alert).

Additional resources

Source: This report was generated using AI

Related Adobe Acrobat Reader Continuous vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2020-9695HIGH7.8
  • Adobe Acrobat Reader Continuous logoAdobe Acrobat Reader Continuous
  • cpe:2.3:a:adobe:acrobat_reader
NoYesJun 23, 2026
CVE-2026-47965HIGH7.8
  • Adobe Acrobat Reader Continuous logoAdobe Acrobat Reader Continuous
  • cpe:2.3:a:adobe:acrobat
NoYesJun 12, 2026
CVE-2026-47955HIGH7.8
  • Adobe Acrobat Reader Continuous logoAdobe Acrobat Reader Continuous
  • cpe:2.3:a:adobe:acrobat_dc
NoYesJun 09, 2026
CVE-2020-9713MEDIUM5.5
  • Adobe Acrobat Reader Continuous logoAdobe Acrobat Reader Continuous
  • cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*
NoYesJun 23, 2026
CVE-2020-9711MEDIUM5.5
  • Adobe Acrobat Reader Continuous logoAdobe Acrobat Reader Continuous
  • cpe:2.3:a:adobe:acrobat_dc
NoYesJun 23, 2026

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