CVSS 3.1
8.8 highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCVE-2021-21017
High (8.8) in Adobe Acrobat and Reader. In CISA KEV since 2021-11-03. EPSS 86% chance of exploitation in the next 30 days.
Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a heap-based buffer overflow 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.
Severity
- EPSS
- 86% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2021-11-03, due 2021-11-17
- CWEs
- CWE-787, CWE-122
- Published
- Modified
- Record from
- the NVD, synced
Affected
- adobe:acrobat
- adobe:acrobat_dc
- adobe:acrobat_reader
- adobe:acrobat_reader_dc