CVE-2019-11331

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.

8.1

CVSS

Severity: High

CVSS 3.0 •

CVSS 2.0 •

EPSS 1.38% Top 25%

Third-Party Advisory securityfocus.com Third-Party Advisory ietf.org

Affected: n/a n/a

References

Link	Tags
https://tools.ietf.org/html/draft-gont-ntp-port-randomization-00	third party advisory
http://www.securityfocus.com/bid/108010	third party advisory vdb entry
https://support.f5.com/csp/article/K09940637
https://support.f5.com/csp/article/K09940637?utm_source=f5support&%3Butm_medium=RSS

Frequently Asked Questions

What is the severity of CVE-2019-11331?: CVE-2019-11331 has been scored as a high severity vulnerability.
How to fix CVE-2019-11331?: To fix CVE-2019-11331, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-11331 being actively exploited in the wild?: It is possible that CVE-2019-11331 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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