Cyber Resilience

CVE-2024-31803

Medium

Published: 14 May 2024

Published
14 May 2024
Modified
15 April 2026
KEV Added
Patch
CVSS Score v3.1 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0400 88.7th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-31803 is a medium-severity Stack-based Buffer Overflow (CWE-121) vulnerability. Its CVSS base score is 6.2 (Medium).

Operationally, ranked in the top 11.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

CVE-2024-31803 is a stack buffer overflow vulnerability, tracked under CWE-121, that affects emp-ot version 0.2.4. The flaw resides in the FerretCOT<T>::read_pre_data128_from_file function and can be triggered to permit arbitrary code execution.

A remote attacker can exploit the issue without authentication or user interaction by supplying crafted input to the affected function, resulting in code execution on the target system. The associated CVSS 3.1 score of 6.2 reflects local attack vector and high availability impact, although the vulnerability description emphasizes remote code execution potential.

Public references consist of GitHub repositories maintained by FudanMPL and an open issue in the emp-toolkit/emp-ot project that document the stack-buffer-overflow condition in detail.

EPSS for the CVE rose from a low baseline after disclosure to a peak of 0.0573 on 2025-12-11 before receding to the current value of 0.0400, indicating a measurable increase in exploitation interest following publication.

EU & UK References

Vulnerability details

Buffer Overflow vulnerability in emp-ot v.0.2.4 allows a remote attacker to execute arbitrary code via the FerretCOT<T>::read_pre_data128_from_file function.

CWE(s)

Related Threats

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

Affected Assets

Mitigating Controls

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

References