Is CVE-2020-21678 in the CISA KEV catalog?

No. CVE-2020-21678 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-21678?

CVE-2020-21678 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2020-21678?

CVE-2020-21678 has an EPSS score of 0.76% (51th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-21678?

Upgrade fig2dev on debian 11 to 1:3.2.8-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-21678

MEDIUM

5.5

CVSS v3

NVD

Description

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-120Classic Buffer Overflow

How to fix

Remediation Available

fig2devDebian

Fixed in:1:3.2.8-1CVE-2020-21678

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

0.76%probability of exploitation in 30 days

51stpercentile

Moderate risk: more likely to be exploited than 51% of all known CVEs.

References

Patch1

sourceforge.net

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0195	Medium	6.8	100%	-	Fix
CVE-2017-7269	Critical	9.8	100%	KEV	-
CVE-2019-11043	High	8.7	99%	KEV + Ransom	Fix
CVE-2011-4862	High	10.0	95%	-	Fix
CVE-2007-5659	High	7.8	94%	KEV	Fix
CVE-2022-3786	High	7.5	91%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.