CVE-2021-21017 — Adobe Acrobat and Reader Heap-based Buffer Overflow Vulnerability
CVE-2021-21017: Adobe Acrobat and Reader Heap-based Buffer Overflow Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Adobe |
| Product | Acrobat and Reader |
| Date added | 2021-11-03 |
| Due date | 2021-11-17 |
| Ransomware campaign use | Unknown |
Description
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.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-21017
Weakness behind it
CISA records this vulnerability as an instance of CWE-122. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-21017
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
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