Cyber Resilience

CVE-2021-31454

High

Published: 07 May 2021

Published
07 May 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0307 87.0th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-31454 is a high-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Foxitsoftware Phantompdf. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 13.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.1.1.37576. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific…

more

flaw exists within the handling of the Decimal element. A crafted leadDigits value in a Decimal element can trigger an overflow of a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute arbitrary code in the context of the current process. Was ZDI-CAN-13095.

CWE(s)

Related Threats

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

Affected Assets

foxitsoftware
foxit reader
≤ 10.1.3.37598
foxitsoftware
phantompdf
≤ 9.7.5.29616 · 10.0.0.0 — 10.1.3.37598

Mitigating Controls

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

References