CVE-2021-28634

Adobe Acrobat Reader AcrobatUtils.scpt Extension OS Command Injection Vulnerability

HIGH
8.2
CVSS Score
Published: August 20, 2021 at 06:09 PM UTC
Updated: June 17, 2026 at 03:46 AM UTC
2 products affected across 1 vendorAcrobat DCAcrobat Reader

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Severity
HIGH8.2
Exploit prediction
EPSS 2%

Description

Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Improper Neutralization of Special Elements used in an OS Command. An authenticated attacker could leverage this vulnerability to achieve arbitrary code execution on the host machine in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

15.008.20082 ≤ v ≤ 21.005.2005417.011.30059 ≤ v ≤ 17.011.3019720.001.30005 ≤ v ≤ 20.004.30005
v ≤ 2017.011.30197v ≤ 2020.004.30005v ≤ 2021.005.20054

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

CVSS

8.2HIGHadobe
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

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