7.5
HIGH
CVE-2019-6673
F5 BIG-IP HTTP/2 Denial of Service (DoS)
Description

On versions 15.0.0-15.0.1 and 14.0.0-14.1.2, when the BIG-IP is configured in HTTP/2 Full Proxy mode, specifically crafted requests may cause a disruption of service provided by the Traffic Management Microkernel (TMM).

INFO

Published Date :

Nov. 27, 2019, 10:15 p.m.

Last Modified :

Nov. 21, 2024, 4:46 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2019-6673 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 F5 big-ip_access_policy_manager
2 F5 big-ip_advanced_firewall_manager
3 F5 big-ip_application_acceleration_manager
4 F5 big-ip_application_security_manager
5 F5 big-ip_fraud_protection_service
6 F5 big-ip_link_controller
7 F5 big-ip_local_traffic_manager
8 F5 big-ip_policy_enforcement_manager
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-2019-6673.

URL Resource
https://support.f5.com/csp/article/K81557381 Vendor Advisory
https://support.f5.com/csp/article/K81557381 Vendor Advisory

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-2019-6673 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-6673 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 https://support.f5.com/csp/article/K81557381
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Aug. 24, 2020

    Action Type Old Value New Value
    Changed CWE CWE-20 NVD-CWE-noinfo
  • Initial Analysis by [email protected]

    Dec. 12, 2019

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://support.f5.com/csp/article/K81557381 No Types Assigned https://support.f5.com/csp/article/K81557381 Vendor Advisory
    Added CWE NIST CWE-20
    Added CPE Configuration OR *cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* versions from (including) 14.0.0 up to (including) 14.1.2 *cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* versions from (including) 15.0.0 up to (including) 15.0.1 *cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* versions from (including) 14.0.0 up to (including) 14.1.2 *cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* versions from (including) 15.0.0 up to (including) 15.0.1 *cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* versions from (including) 14.0.0 up to (including) 14.1.2 *cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* versions from (including) 15.0.0 up to (including) 15.0.1 *cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* versions from (including) 14.0.0 up to (including) 14.1.2 *cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* versions from (including) 15.0.0 up to (including) 15.0.1 *cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* versions from (including) 14.0.0 up to (including) 14.1.2 *cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* versions from (including) 15.0.0 up to (including) 15.0.1 *cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* versions from (including) 14.0.0 up to (including) 14.1.2 *cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* versions from (including) 15.0.0 up to (including) 15.0.1 *cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 14.0.0 up to (including) 14.1.2 *cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 15.0.0 up to (including) 15.0.1 *cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* versions from (including) 14.0.0 up to (including) 14.1.2 *cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* versions from (including) 15.0.0 up to (including) 15.0.1
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-2019-6673 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-2019-6673 weaknesses.

Exploit Prediction

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

0.10 }} 0.00%

score

0.40663

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability