CVE-2015-7852
ntpq in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash) via crafted mode 6 response packets.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 12.3%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
ntpq in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash) via crafted mode 6 response packets.
- CVSS 3.1
- 5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 12.28% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- ntp/ntp · debian/debian linux · netapp/oncommand balance · netapp/oncommand performance manager · netapp/oncommand unified manager · netapp/clustered data ontap · netapp/data ontap · oracle/linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux server tus · redhat/enterprise linux workstation
- Source
- cve@mitre.org
EPSS 12.3% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://rhn.redhat.com/errata/RHSA-2016-0780.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2583.htmlThird Party Advisory
- http://support.ntp.org/bin/view/Main/NtpBug2919Patch, Vendor Advisory
- http://www.debian.org/security/2015/dsa-3388Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlThird Party Advisory
- http://www.securityfocus.com/bid/77288Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1033951Third Party Advisory, VDB Entry
- https://security.gentoo.org/glsa/201607-15Third Party Advisory, VDB Entry
- https://security.netapp.com/advisory/ntap-20171004-0001/Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-0780.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2583.htmlThird Party Advisory
- http://support.ntp.org/bin/view/Main/NtpBug2919Patch, Vendor Advisory
- http://www.debian.org/security/2015/dsa-3388Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlThird Party Advisory
- http://www.securityfocus.com/bid/77288Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1033951Third Party Advisory, VDB Entry
- https://security.gentoo.org/glsa/201607-15Third Party Advisory, VDB Entry
- https://security.netapp.com/advisory/ntap-20171004-0001/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.