{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2023-26551","sourceIdentifier":"cve@mitre.org","published":"2023-04-11T21:15:21.617","lastModified":"2026-06-17T05:43:34.337","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write in the cp\u003ccpdec while loop. An adversary may be able to attack a client ntpq process, but cannot attack ntpd."}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","baseScore":5.6,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"},"exploitabilityScore":2.2,"impactScore":3.4},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","baseScore":5.6,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"},"exploitabilityScore":2.2,"impactScore":3.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-02-11T15:31:32.628394Z","id":"CVE-2023-26551","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:ntp:ntp:4.2.8:p15:*:*:*:*:*:*","matchCriteriaId":"D300A755-9809-4469-8C08-20CB451C83A2"}]}]}],"references":[{"url":"https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26551","source":"cve@mitre.org","tags":["Third Party Advisory"]},{"url":"https://github.com/spwpun/ntp-4.2.8p15-cves/issues/1#issuecomment-1506667321","source":"cve@mitre.org","tags":["Third Party Advisory"]},{"url":"https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26551","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://github.com/spwpun/ntp-4.2.8p15-cves/issues/1#issuecomment-1506667321","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}