CVE-2021-34951 json
Foxit PDF Reader Annotation Use of Uninitialized Variable Information Disclosure Vulnerability
published 2024-05-07 2 y ago modified 2026-06-17 4 mo ago also EUVD-2021-21598
- cvss
- 3.3
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 25%
- public exploits
- 0
- none known
Summary
Foxit PDF Reader Annotation Use of Uninitialized Variable Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the handling of Annotation objects. The issue results from the lack of proper initialization of a pointer prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14395.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 3.3 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
Affected products
- Foxit PDF Reader
- foxit phantompdf
- foxit pdf_editor
- foxit pdf_reader
Classification
- Weakness
-
- CWE-457 Use of Uninitialized Variable
References
-
foxit.com
/support/security-bulletins.html
vendor-advisory
-
zerodayinitiative.com
/advisories/ZDI-21-1182/
third-party-advisory
Sources
- CVE List CVE-2021-34951
- NVD CVE-2021-34951
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