CVE-2019-11331
UnknownEPSS 2.64%
Last modified
CVE-2019-11331 is a vulnerability of currently unknown severity. Network Time Protocol (NTP), as specified in RFC 5905, uses port 123 even for modes where a fixed port number is not required, which makes it easier for remote attackers to conduct off-path attacks.. EPSS estimates a 2.64% chance of exploitation in the next 30 days.
Description
Network Time Protocol (NTP), as specified in RFC 5905, uses port 123 even for modes where a fixed port number is not required, which makes it easier for remote attackers to conduct off-path attacks.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ntp | Ntp | All versions |
References
- http://www.securityfocus.com/bid/108010Third Party Advisory
- https://tools.ietf.org/html/draft-gont-ntp-port-randomization-00Third Party Advisory
- http://www.securityfocus.com/bid/108010Third Party Advisory
- https://tools.ietf.org/html/draft-gont-ntp-port-randomization-00Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-11331?
Network Time Protocol (NTP), as specified in RFC 5905, uses port 123 even for modes where a fixed port number is not required, which makes it easier for remote attackers to conduct off-path attacks.
How severe is CVE-2019-11331?
Severity scoring for CVE-2019-11331 is pending analysis. The EPSS model estimates a 2.64% probability of exploitation in the next 30 days.
How do I fix CVE-2019-11331?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2019
- CVE-2019-11324The urllib3 library before 1.24.2 for Python mishandles cert…
- CVE-2019-11325An issue was discovered in Symfony before 4.2.12 and 4.3.x b…9.8
- CVE-2019-11326An issue was discovered on Topcon Positioning Net-G5 GNSS Re…8.8
- CVE-2019-11327An issue was discovered on Topcon Positioning Net-G5 GNSS Re…4.9
- CVE-2019-11328An issue was discovered in Singularity 3.1.0 to 3.2.0-rc2, a…8.8
- CVE-2019-1133A remote code execution vulnerability exists in the way that…7.5
- CVE-2019-11332MKCMS 5.0 allows remote attackers to take over arbitrary use…
- CVE-2019-11334An authentication bypass in website post requests in the Tzu…3.7
- CVE-2019-11336Sony Bravia Smart TV devices allow remote attackers to retri…
- CVE-2019-11338libavcodec/hevcdec.c in FFmpeg 3.4 and 4.1.2 mishandles dete…8.8
- CVE-2019-11339The studio profile decoder in libavcodec/mpeg4videodec.c in …
- CVE-2019-1134A cross-site-scripting (XSS) vulnerability exists when Micro…5.4
Are you affected by CVE-2019-11331?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST