Out-of-bounds Read in Adobe Acrobat Dc
CVE-2021-28637
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an out-of-bounds read vulnerability. An unauthenticated attacker could leverage this vulnerability achieve arbitrary read / write system information 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: Buffer Overflow
EPSS: 0.028 (84.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/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 (x_refsource_MISC, Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-28637?
- CVE-2021-28637 is a high-severity vulnerability in Adobe Acrobat Dc, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2021-08-20.
- How severe is CVE-2021-28637?
- High severity. CVSS v3 base score is 7.8 out of 10.