CVE-2021-28631 — Use After Free in Adobe Acrobat Reader

CWE-416 — Use After Free4 documents4 sources
Severity
7.8HIGHNVD
EPSS
26.2%
top 3.70%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Adobe Acrobat ReaderAdobe AcrobatAdobe Acrobat DC+1 more
Timeline
PublishedAug 24
Latest updateMay 24

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.

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 Packages5 packages

▶CVEListV5adobe/acrobat_readerunspecified — 2021.001.20155+3
▶NVDadobe/acrobat_reader17.011.30180 — 17.011.30196+1
▶NVDadobe/acrobat_reader_dc15.008.20082 — 21.001.20155
▶NVDadobe/acrobat17.011.30180 — 17.011.30196+1
▶NVDadobe/acrobat_dc15.008.20082 — 21.001.20155

🔴Vulnerability Details

2
GHSA
GHSA-mqf6-rpjp-v4fc: Acrobat Reader DC versions versions 2021↗2022-05-24
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CVEList
Adobe Acrobat Reader DC AcroForm Field Use-After-Free Remote Code Execution Vulnerability↗2021-08-24
▶

🕵️Threat Intelligence

1
Qualys
Microsoft & Adobe Patch Tuesday (June 2021) – Microsoft 50 Vulnerabilities with 5 Critical, Adobe 21 Critical Vulnerabilities↗2021-06-08
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CVE-2021-28631 — Use After Free in Adobe Acrobat Reader | cvebase