CVE-2021-44740 json
Adobe Acrobat Pro DC NULL Pointer Dereference could lead to Application-denial-of-service
published 2022-01-14 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-31555
- cvss
- 3.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.6%
- EPSS 3.6% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
3.55% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Affected products
- Adobe Acrobat Reader
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
References
-
helpx.adobe.com
/security/products/acrobat/apsb22-01.html
vendor-advisory
Sources
- CVE List CVE-2021-44740
- NVD CVE-2021-44740
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