NVD

CVE-2021-28631 Detail

Modified

This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.

Description

Acrobat Reader DC versions versions 2021.001.20155 (and earlier), 2020.001.30025 (and earlier) and 2017.011.30196 (and earlier) are affected by an Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

CNA: Adobe Systems Incorporated

Base Score: 7.8 HIGH

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 6.8 MEDIUM

Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://helpx.adobe.com/security/products/acrobat/apsb21-37.html	Vendor Advisory
https://helpx.adobe.com/security/products/acrobat/apsb21-37.html	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-416	Use After Free	NIST Adobe Systems Incorporated

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Reanalysis by NIST 9/13/2021 10:47:56 AM

Action

Type

Old Value

New Value

Changed

CPE Configuration

Record truncated, showing 500 of 928 characters.
View Entire Change Record

AND
     OR
          *cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* versions from (including) 15.008.20082 up to (including) 21.005.20054
          *cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:classic:*:*:* versions from (including) 17.011.30059 up to (including) 17.011.30197
          *cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:classic:*:*:* versions from (including) 20.001.30005 up to (including) 20.004.30005
          *cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* versions from (including)

AND
     OR
          *cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* versions from (including) 15.008.20082 up to (including) 21.001.20155
          *cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* versions from (including) 15.008.20082 up to (including) 21.001.20155
     OR
          cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
          cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Added

CPE Configuration

Record truncated, showing 500 of 643 characters.
View Entire Change Record

AND
     OR
          *cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:* versions from (including) 17.011.30180 up to (including) 17.011.30196
          *cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:* versions from (including) 20.001.30005 up to (including) 20.001.30025
          *cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:* versions from (including) 17.011.30180 up to (including) 17.011.30196
          *cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:* versions from (including) 20.001.300

Initial Analysis by NIST 9/01/2021 12:14:32 PM

Action	Type	Old Value	New Value
Added	CVSS V3.1		NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Added	CVSS V2		NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Added	CWE		NIST CWE-416
Added	CPE Configuration		Record truncated, showing 500 of 929 characters. View Entire Change Record AND OR cpe:2.3:a:adobe:acrobat_dc:::::continuous::: versions from (including) 15.008.20082 up to (including) 21.005.20054 cpe:2.3:a:adobe:acrobat_dc:::::classic::: versions from (including) 17.011.30059 up to (including) 17.011.30197 cpe:2.3:a:adobe:acrobat_dc:::::classic::: versions from (including) 20.001.30005 up to (including) 20.004.30005 cpe:2.3:a:adobe:acrobat_reader_dc:::::continuous::: versions from (including)
Changed	Reference Type	https://helpx.adobe.com/security/products/acrobat/apsb21-37.html No Types Assigned	https://helpx.adobe.com/security/products/acrobat/apsb21-37.html Vendor Advisory
Added	CVSS V2 Metadata		Victim must voluntarily interact with attack mechanism

Quick Info

CVE Dictionary Entry:
CVE-2021-28631
NVD Published Date:
08/24/2021
NVD Last Modified:
11/21/2024
Source:
Adobe Systems Incorporated

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Information Technology Laboratory

National Vulnerability Database