RCE in Adobe Acrobat Dc
CVE-2021-28634
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.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.022 (81.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Adobe Acrobat_dc
- Adobe Acrobat Reader — versions unspecified
- Adobe Acrobat_reader_dc
Weakness classification (CWE)
References
- psirt@adobe.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-28634?
- CVE-2021-28634 is a high-severity vulnerability in Adobe Acrobat Dc, classified under OS Command Injection. CVSS score: 8.2/10. Published 2021-08-20.
- How severe is CVE-2021-28634?
- High severity. CVSS v3 base score is 8.2 out of 10.