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 Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.2
Affected Products

The following products are affected by CVE-2019-11331 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ntp ntp

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&amp%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&amp%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]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
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.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.84 }} -0.61%

score

0.81862

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability