CVE-2021-21057 : Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and e

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a null pointer dereference vulnerability when parsing a specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve denial of service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Published 2021-02-11 20:15:16

Updated 2021-09-08 17:23:01

Source Adobe Systems Incorporated

View at NVD, CVE.org

Vulnerability category: Memory CorruptionDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2021-21057

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 25 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-21057

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
6.6	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H	1.8	4.7	Adobe Systems Incorporated
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: Low Integrity: Low Availability: High

Products affected by CVE-2021-21057

Adobe » Acrobat Reader » Classic Edition
Versions from including (>=) 17.0 and up to, including, (<=) 17.011.30188
cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*
Matching versions
When used together with: Apple » Macos » Version: N/A
When used together with: Microsoft » Windows » Version: N/A
Adobe » Acrobat Reader » Classic Edition
Versions from including (>=) 20.0 and up to, including, (<=) 20.001.300183
cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*
Matching versions
When used together with: Apple » Macos » Version: N/A
When used together with: Microsoft » Windows » Version: N/A
Adobe » Acrobat » Classic Edition
Versions from including (>=) 20.0 and up to, including, (<=) 20.001.30018
cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*
Matching versions
When used together with: Apple » Macos » Version: N/A
When used together with: Microsoft » Windows » Version: N/A
Adobe » Acrobat » Classic Edition
Versions from including (>=) 17.0 and up to, including, (<=) 17.011.30188
cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*
Matching versions
When used together with: Apple » Macos » Version: N/A
When used together with: Microsoft » Windows » Version: N/A
Adobe » Acrobat Dc » Continuous Edition
Versions up to, including, (<=) 20.013.20074
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
Matching versions
When used together with: Apple » Macos » Version: N/A
When used together with: Microsoft » Windows » Version: N/A
Adobe » Acrobat Reader Dc » Continuous Edition
Versions up to, including, (<=) 20.013.20074
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*
Matching versions
When used together with: Apple » Macos » Version: N/A
When used together with: Microsoft » Windows » Version: N/A

Vulnerability Details : CVE-2021-21057

Exploit prediction scoring system (EPSS) score for CVE-2021-21057

CVSS scores for CVE-2021-21057

CWE ids for CVE-2021-21057

References for CVE-2021-21057

Products affected by CVE-2021-21057