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…

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.

Scores

EPSS (exploitation in 30 days)

97.5% · top 0.1% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a
• CWE-20 (opens in a new tab)All about CWE-20 and its CVEs

Affected products

• n/a

  • affected n/a

References (21)

• 59288 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04790232 (opens in a new tab)x_refsource_CONFIRMx_transferred
• openSUSE-SU-2014:1149 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• HPSBUX02960 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• TA14-013A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
• 64692 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• VU#348126 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
• HPSBOV03505 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• [oss-security] 20131230 CVE to the ntp monlist DDoS issue? (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• 59726 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 1030433 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-dev/ntp-dev-4.2.7p26.tar.gz (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://ics-cert.us-cert.gov/advisories/ICSA-14-051-04 (opens in a new tab)x_refsource_MISCx_transferred
• http://aix.software.ibm.com/aix/efixes/security/ntp_advisory.asc (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095861 (opens in a new tab)x_refsource_CONFIRMx_transferred
• [pool] 20111210 Odd surge in traffic today (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [oss-security] 20131230 Re: CVE to the ntp monlist DDoS issue? (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095892 (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://bugs.ntp.org/show_bug.cgi?id=1532 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://puppet.com/security/cve/puppetlabs-ntp-nov-2015-advisory (opens in a new tab)x_refsource_CONFIRMx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2013-5211](https://trackcve.app/badge/CVE-2013-5211.svg)](https://trackcve.app/cve/CVE-2013-5211)

Record last updated 6 Aug 2024, 17:06 UTC.