MEDIUM
CVE-2020-15025
CWE-401Published: June 24, 2020· Updated: Jun 17, 2026
4.9
CVSS v3.1
Official Description
ntpd in ntp 4.2.8 before 4.2.8p15 and 4.3.x before 4.3.101 allows remote attackers to cause a denial of service (memory consumption) by sending packets, because memory is not freed in situations where a CMAC key is used and associated with a CMAC algorithm in the ntp.keys file.
Technical Analysis
CVE-2020-15025 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 4.9.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
ADVISORYhttps://bugs.gentoo.org/729458
ADVISORYhttps://bugs.gentoo.org/729458
All References (16)
→
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.htmlMailing List · Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.htmlMailing List · Third Party Advisory
→
https://bugs.gentoo.org/729458Issue Tracking · Third Party Advisory
→
https://security.gentoo.org/glsa/202007-12Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20200702-0002/Third Party Advisory
→
https://support.ntp.org/bin/view/Main/NtpBug3661Vendor Advisory
→
https://support.ntp.org/bin/view/Main/SecurityNotice#June_2020_ntp_4_2_8p15_NTP_ReleaRelease Notes · Vendor Advisory
→
https://www.oracle.com/security-alerts/cpujan2021.htmlPatch · Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.htmlMailing List · Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.htmlMailing List · Third Party Advisory
→
https://bugs.gentoo.org/729458Issue Tracking · Third Party Advisory
→
https://security.gentoo.org/glsa/202007-12Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20200702-0002/Third Party Advisory
→
https://support.ntp.org/bin/view/Main/NtpBug3661Vendor Advisory
→
https://support.ntp.org/bin/view/Main/SecurityNotice#June_2020_ntp_4_2_8p15_NTP_ReleaRelease Notes · Vendor Advisory
Quick Facts
CVE IDCVE-2020-15025
CVSS Score4.9 / 10
SeverityMEDIUM
WeaknessCWE-401
CISA KEVNo
Affected4 vendor(s)
PublishedJun 24, 2020
Related CVEs (CWE-401)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-15025 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.