{"id":"CVE-2020-5253","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-5253","generatedAt":"2026-10-27T22:24:33.876Z","title":"NetHack before version 3.6.0 allowed malicious use of escaping of characters in the configuration file (usually .nethackrc) which could be exploited.","description":"NetHack before version 3.6.0 allowed malicious use of escaping of characters in the configuration file (usually .nethackrc) which could be exploited. This bug is patched in NetHack 3.6.0.","published":"2020-03-10T17:15:13.000Z","lastModified":"2026-06-17T03:21:08.000Z","status":"Modified","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-184","CWE-269"],"affected":["nethack/nethack"],"epss":{"score":0.00543,"percentile":0.45325,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/NetHack/NetHack/commits/612755bfb5c412079795c68ba392df5d93874ed8","tags":["Patch","Third Party Advisory"],"source":"security-advisories@github.com"},{"url":"https://github.com/NetHack/NetHack/security/advisories/GHSA-2c7p-3fj4-223m","tags":["Third Party Advisory"],"source":"security-advisories@github.com"},{"url":"https://github.com/NetHack/NetHack/commits/612755bfb5c412079795c68ba392df5d93874ed8","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/NetHack/NetHack/security/advisories/GHSA-2c7p-3fj4-223m","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-5253","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}