VULNERABILITY INTELLIGENCE
CVE-2013-5211
CVSS score5 MEDIUM
EPSS probability97.55%
CISA KEVNot currently listed
Published2014-01-02
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P
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.
Weakness classification
- CWE-20: Improper Input Validation
Primary references
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Issue Tracking
- cve@mitre.org — Third Party Advisory, US Government Resource
- cve@mitre.org — Broken Link
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Mailing List
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Mailing List
- cve@mitre.org — Mailing List
- cve@mitre.org — Not Applicable
- cve@mitre.org — Not Applicable
- cve@mitre.org — Broken Link