Vulnerability identifier: #VU56537

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-39856

CWE-ID:

Exploitation vector: Network

Exploit availability:

Vulnerable software:
Adobe Acrobat
Client/Desktop applications / Office applications
Adobe Reader
Client/Desktop applications / Office applications

Vendor: Adobe

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Adobe Acrobat: 21.001.20135 - 21.005.20148, 20.001.30020 - 20.013.20074, 17.008.30051 - 17.011.30199

Adobe Reader: 2020.001.30020 - 2020.013.20074, 2017.008.30051 - 2017.011.30199

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Fixed software versions

CPE

• cpe:2.3:a:adobe:adobe_acrobat:21.005.20060:*:*:*:*:*:*:*

External links
http://helpx.adobe.com/security/products/acrobat/apsb21-55.html

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?