Vulnerability Monitor

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CVE-2019-6673


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).


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 8 products from f5, from f5, from f5 and 5 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.


Published

2019-11-27T22:15:11.930

Last Modified

2024-11-21T04:46:55.800

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application f5 big-ip_access_policy_manager ≤ 14.1.2 Yes
Application f5 big-ip_access_policy_manager ≤ 15.0.1 Yes
Application f5 big-ip_advanced_firewall_manager ≤ 14.1.2 Yes
Application f5 big-ip_advanced_firewall_manager ≤ 15.0.1 Yes
Application f5 big-ip_application_acceleration_manager ≤ 14.1.2 Yes
Application f5 big-ip_application_acceleration_manager ≤ 15.0.1 Yes
Application f5 big-ip_application_security_manager ≤ 14.1.2 Yes
Application f5 big-ip_application_security_manager ≤ 15.0.1 Yes
Application f5 big-ip_fraud_protection_service ≤ 14.1.2 Yes
Application f5 big-ip_fraud_protection_service ≤ 15.0.1 Yes
Application f5 big-ip_link_controller ≤ 14.1.2 Yes
Application f5 big-ip_link_controller ≤ 15.0.1 Yes
Application f5 big-ip_local_traffic_manager ≤ 14.1.2 Yes
Application f5 big-ip_local_traffic_manager ≤ 15.0.1 Yes
Application f5 big-ip_policy_enforcement_manager ≤ 14.1.2 Yes
Application f5 big-ip_policy_enforcement_manager ≤ 15.0.1 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For f5's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.