CVE-2020-5254
CVE-2020-5254 is a low-severity vulnerability in Nethack with a CVSS 3.x base score of 3.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Low (CVSS 3.x base score 3.9)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (63rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Nethack
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2020-5254?
- 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.
- How severe is CVE-2020-5254?
- CVE-2020-5254 has a CVSS 3.x base score of 3.9, rated low severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2020-5254 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-5254?
- CVE-2020-5254 affects Nethack. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-5254?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-5254 published?
- CVE-2020-5254 was published on 2020-03-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:nethack:nethack:*:*:*:*:*:*:*:*
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