CVE-2021-28635 — Use After Free in Adobe Acrobat Reader

CWE-416 — Use After Free4 documents4 sources
Severity
7.8HIGHNVD
EPSS
17.7%
top 4.88%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Adobe Acrobat ReaderAdobe Acrobat DCAdobe Acrobat Reader DC
Timeline
PublishedAug 20
Latest updateMay 24

Description

Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by a 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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5adobe/acrobat_readerunspecified — 2020.004.30005+3
▶NVDadobe/acrobat_reader_dc15.008.20082 — 21.005.20054+2
▶NVDadobe/acrobat_dc15.008.20082 — 21.005.20054+2

Patches

Patch: helpx.adobe.com ↗Patch: helpx.adobe.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-2cr6-rmv6-pcfm: Acrobat Reader DC versions 2021↗2022-05-24
▶
CVEList
Adobe Acrobat Reader Use-After-Free Vulnerability↗2021-08-20
▶

🕵️Threat Intelligence

1
Zscaler
Zscaler found Adobe security vulnerabilities | 07-13-2021↗
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CVE-2021-28635 — Use After Free in Adobe Acrobat Reader | cvebase