NULL pointer dereference in Adobe Acrobat
CVE-2021-44740
Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
EPSS: 0.036 (88.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@adobe.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-44740?
- CVE-2021-44740 is a low-severity vulnerability in Adobe Acrobat, classified under NULL Pointer Dereference. CVSS score: 3.3/10. Published 2022-01-14.
- How severe is CVE-2021-44740?
- Low severity. CVSS v3 base score is 3.3 out of 10.
- Is CVE-2021-44740 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.