Cyber Resilience

CVE-2021-34953

High

Published: 07 May 2024

Published
07 May 2024
Modified
13 August 2025
KEV Added
Patch
CVSS Score v3 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0200 84.0th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-34953 is a high-severity Use of Uninitialized Variable (CWE-457) vulnerability in Foxit Pdf Editor. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 16.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Foxit PDF Reader Annotation Use of Uninitialized Variable Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target…

more

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 vulnerability to execute code in the context of the current process. Was ZDI-CAN-14658.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

foxit
pdf editor
11.0.0.49893, 11.0.1.49938 · ≤ 10.1.5.37672
foxit
pdf reader
≤ 11.0.1.49938

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References