Cyber Resilience

CVE-2020-21678

MediumPublic PoC

Published: 10 August 2021

Published
10 August 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score 0.0032 55.6th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-21678 is a medium-severity Classic Buffer Overflow (CWE-120) vulnerability in Fig2Dev Project Fig2Dev. Its CVSS base score is 5.5 (Medium).

Operationally, ranked in the top 44.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A global buffer overflow in the genmp_writefontmacro_latex component in genmp.c of fig2dev 3.2.7b allows attackers to cause a denial of service (DOS) via converting a xfig file into mp format.

CWE(s)
CWE-120

Related Threats

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

Affected Assets

fig2dev project
fig2dev
3.2.7b

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References