CVE-2021-39857

Adobe Acrobat Reader DC Information Disclosure via ActiveX LoadFile

CVE-2021-39857 is fixed in Adobe Acrobat Reader DC on 1 platform by Adobe Acrobat Reader DC 21.007.20091 (version 21.007.20091), released September 9, 2021. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
4.3
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0252
84th percentile

Adobe Acrobat Reader DC add-on for Internet Explorer versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an Information Disclosure vulnerability. An unauthenticated attacker could leverage this vulnerability to check for existence of local files. Exploitation of this issue requires user interaction in that a victim must visit an attacker controlled web page.

Where it's fixed

ProductFixed inFixReleased
Windows apps
Adobe Acrobat Reader DC 21.007.20091 Adobe Acrobat Reader DC 21.007.20091 Sep 9, 2021

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