CVE-2019-11331
NTP Fixed Port Vulnerability
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.
INFO
Published Date :
April 18, 2019, 10:29 p.m.
Last Modified :
Nov. 21, 2024, 4:20 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.0 | HIGH | [email protected] |
Solution
- Refer to the vendor for remediation guidance.
- Apply any available updates or patches.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-11331.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-11331 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-11331
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-11331 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-11331 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/108010 Added Reference https://support.f5.com/csp/article/K09940637 Added Reference https://support.f5.com/csp/article/K09940637?utm_source=f5support&%3Butm_medium=RSS Added Reference https://tools.ietf.org/html/draft-gont-ntp-port-randomization-00 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://support.f5.com/csp/article/K09940637?utm_source=f5support&%3Butm_medium=RSS [No types assigned] Removed Reference MITRE https://support.f5.com/csp/article/K09940637?utm_source=f5support&utm_medium=RSS -
CWE Remap by [email protected]
Aug. 24, 2020
Action Type Old Value New Value Changed CWE CWE-254 NVD-CWE-noinfo -
CVE Modified by [email protected]
Oct. 09, 2019
Action Type Old Value New Value Added Reference https://support.f5.com/csp/article/K09940637?utm_source=f5support&utm_medium=RSS [No Types Assigned] -
CVE Modified by [email protected]
Jul. 24, 2019
Action Type Old Value New Value Added Reference https://support.f5.com/csp/article/K09940637 [No Types Assigned] -
Reanalysis by [email protected]
May. 10, 2019
Action Type Old Value New Value Changed CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) (AV:N/AC:M/Au:N/C:P/I:P/A:P) Changed CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H -
Initial Analysis by [email protected]
Apr. 19, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://tools.ietf.org/html/draft-gont-ntp-port-randomization-00 No Types Assigned https://tools.ietf.org/html/draft-gont-ntp-port-randomization-00 Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/108010 No Types Assigned http://www.securityfocus.com/bid/108010 Third Party Advisory Added CWE CWE-254 Added CPE Configuration OR *cpe:2.3:a:ntp:ntp:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 19, 2019
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/108010 [No Types Assigned]
Vulnerability Scoring Details
Base CVSS Score: 8.1
Base CVSS Score: 6.8
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.38 }} -1.52%
score
0.79407
percentile