CVE-2013-5211
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...
- Published
- Jan 2, 2014
- Updated
- Aug 6, 2024
- Assigning CNA
- mitre
- Evidence observed
- Apr 28, 2014
Primary CVSS
nvd · CVSS 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:PHigh · next 30 days
- Percentile
- 99.9%
- Model date
- Oct 13, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
- NTP Monitor List ScannerModule
modules/auxiliary/scanner/ntp/ntp_monlist.rb
Metasploit Framework modulesDeclared conditions
- verification: check_not_declared($.auxiliary_scanner/ntp/ntp_monlist.check)
modules/auxiliary/scanner/ntp/ntp_peer_list_dos.rb
Metasploit Framework modulesDeclared conditions
- verification: check_not_declared($.auxiliary_scanner/ntp/ntp_peer_list_dos.check)
modules/auxiliary/scanner/ntp/ntp_peer_list_sum_dos.rb
Metasploit Framework modulesDeclared conditions
- verification: check_not_declared($.auxiliary_scanner/ntp/ntp_peer_list_sum_dos.check)
modules/auxiliary/scanner/ntp/ntp_readvar.rb
Metasploit Framework modulesDeclared conditions
- verification: check_not_declared($.auxiliary_scanner/ntp/ntp_readvar.check)
modules/auxiliary/scanner/ntp/ntp_req_nonce_dos.rb
Metasploit Framework modulesDeclared conditions
- verification: check_not_declared($.auxiliary_scanner/ntp/ntp_req_nonce_dos.check)
modules/auxiliary/scanner/ntp/ntp_reslist_dos.rb
Metasploit Framework modulesDeclared conditions
- verification: check_not_declared($.auxiliary_scanner/ntp/ntp_reslist_dos.check)
modules/auxiliary/scanner/ntp/ntp_unsettrap_dos.rb
Metasploit Framework modulesDeclared conditions
- verification: check_not_declared($.auxiliary_scanner/ntp/ntp_unsettrap_dos.check)
modules/auxiliary/scanner/portmap/portmap_amp.rb
Metasploit Framework modulesDeclared conditions
- verification: check_not_declared($.auxiliary_scanner/portmap/portmap_amp.check)
modules/auxiliary/scanner/udp/udp_amplification.rb
Metasploit Framework modulesDeclared conditions
- verification: check_not_declared($.auxiliary_scanner/udp/udp_amplification.check)
modules/auxiliary/scanner/upnp/ssdp_amp.rb
Metasploit Framework modulesDeclared conditions
- verification: check_not_declared($.auxiliary_scanner/upnp/ssdp_amp.check)
Responsible use
Use vulnerability information only on systems you own or are authorized to test. Kitploit links to public research metadata and does not store exploit code or malicious payloads.