CVE-2021-35986: Adobe Acrobat Pro DC getAnnots Type Confusion Information Disclosure Vulnerability
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Type Confusion vulnerability. An unauthenticated attacker could leverage this vulnerability to read arbitrary system information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Other sources
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Adobe Acrobat Pro DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the getAnnots method. When parsing the nPage parameter, the process does not properly validate user-supplied data, which can result in a type confusion condition. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2021-35986.
What software is affected by this vulnerability?
This vulnerability affects Adobe Acrobat Pro DC versions 15.008.20082 to 21.005.20054.
Is user interaction required to exploit this vulnerability?
Yes, user interaction is required to exploit this vulnerability. The target must visit a malicious page or open a malicious file.
What is the severity rating of this vulnerability?
The severity rating of this vulnerability is medium, with a rating of 3.3.
How can I fix this vulnerability?
To fix this vulnerability, update Adobe Acrobat Pro DC to a version beyond 21.005.20054.