Buffer overflow in Adobe Acrobat
CVE-2021-44709
Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a heap overflow vulnerability due to insecure handling of a crafted file, potentially resulting in 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.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.290 (98.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.300 · newest: 0.290 · change: -0.009
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- helpx.adobe.com/security/products/acrobat/apsb22-01.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-44709?
- CVE-2021-44709 is a high-severity vulnerability in Adobe Acrobat, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2022-01-14.
- How severe is CVE-2021-44709?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-44709 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.