{"cve":"CVE-2013-5211","nvd":{"published":"2014-01-02T14:59:03.470","modified":"2026-06-16T23:58:31.100","status":"Modified","description":"The monlist feature in ntp_request.c in ntpd in NTP before 4.2.7p26 allows remote attackers to cause a denial of service (traffic amplification) via forged (1) REQ_MON_GETLIST or (2) REQ_MON_GETLIST_1 requests, as exploited in the wild in December 2013.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://aix.software.ibm.com/aix/efixes/security/ntp_advisory.asc","http://bugs.ntp.org/show_bug.cgi?id=1532","http://ics-cert.us-cert.gov/advisories/ICSA-14-051-04","http://lists.ntp.org/pipermail/pool/2011-December/005616.html","http://lists.opensuse.org/opensuse-updates/2014-09/msg00031.html"],"products":["ntp:ntp","opensuse:opensuse","oracle:linux"],"source":"nvd","synced_at":"2026-10-19T20:30:15.895642412+00:00"},"epss":{"cve":"CVE-2013-5211","score":0.97549,"percentile":0.99901,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}