Is CVE-2020-5254 in the CISA KEV catalog?

No. CVE-2020-5254 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-5254?

CVE-2020-5254 has a CVSS v3 base score of 3.9 (LOW).

What is the EPSS score for CVE-2020-5254?

CVE-2020-5254 has an EPSS score of 1.13% (63th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-5254?

Upgrade nethack on debian 11 to 3.6.6-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-5254

LOW

3.9

CVSS v3

NVD

Description

In NetHack before 3.6.6, some out-of-bound values for the hilite_status option can be exploited. NetHack 3.6.6 resolves this issue.

CWE-125Out-of-bounds Read CWE-119Buffer Overflow

How to fix

Remediation Available

nethackDebian

Fixed in:3.6.6-1CVE-2020-5254

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 ComplexityHigh

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

1.13%probability of exploitation in 30 days

63rdpercentile

Moderate risk: more likely to be exploited than 63% of all known CVEs.

References

Vendor Advisory1

github.com

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	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.