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CVE-2021-39837 Detail

Description

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability in the processing of the AcroForm deleteItemAt action that could result in 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 3.x Severity and Vector Strings:

NIST CVSS score
NIST: NVD
Base Score:  N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  Adobe Systems Incorporated
Base Score:  7.8 HIGH
Vector:  CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://helpx.adobe.com/security/products/acrobat/apsb21-55.html Release Notes  Vendor Advisory 
https://helpx.adobe.com/security/products/acrobat/apsb21-55.html Release Notes  Vendor Advisory 

Weakness Enumeration

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

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*
   Show Matching CPE(s)
From (including)
20.001.30005
Up to (including)
20.004.30006
 cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*
   Show Matching CPE(s)
From (including)
20.001.30005
Up to (including)
20.004.30006
Running on/with
 cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
   Show Matching CPE(s)
From (including)
15.008.20082
Up to (including)
21.005.20058
 cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*
   Show Matching CPE(s)
From (including)
15.008.20082
Up to (including)
21.005.20058
Running on/with
 cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
   Show Matching CPE(s)
From (including)
15.008.20082
Up to (including)
21.005.20060
 cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*
   Show Matching CPE(s)
From (including)
15.008.20082
Up to (including)
21.005.20060
Running on/with
 cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*
   Show Matching CPE(s)
From (including)
17.011.30059
Up to (including)
17.011.30199
 cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*
   Show Matching CPE(s)
From (including)
17.011.30059
Up to (including)
17.011.30199
Running on/with
 cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-39837
NVD Published Date:
09/29/2021
NVD Last Modified:
11/21/2024
Source:
Adobe Systems Incorporated