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.
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