CVE-2021-21017 · netVigilance record NV21-0197
Adobe Acrobat and Reader Heap-based Buffer Overflow
past due
What to do
Apply updates per vendor instructions.
CISA deadline 2021-11-17 · passed 4 years 9 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
Acrobat Acrobat and Reader contain a heap-based buffer overflow vulnerability that could allow an unauthenticated attacker to achieve code execution in the context of the current user.
Who is affected
Adobe Acrobat and Reader. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-122.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 4 years 9 months ago
Sources
- NVD entry for CVE-2021-21017 nvd.nist.gov/vuln/detail/CVE-2021-21017
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2021-21017