Vulnerability in F5 Big-ip_access_policy_manager
CVE-2019-6471
A race condition which may occur when discarding malformed packets can result in BIND exiting due to a REQUIRE assertion failure in dispatch.c. Versions affected: BIND 9.11.0 -> 9.11.7, 9.12.0 -> 9.12.4-P1, 9.14.0 -> 9.14.2. Also all relea…
Vulnerability class: Race Condition
EPSS: 0.033 (87.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- F5 Big-ip_access_policy_manager — versions 14.0.0, 14.1.0, 15.0.0
- F5 Big-ip_advanced_firewall_manager — versions 14.0.0, 14.1.0, 15.0.0
- F5 Big-ip_analytics — versions 14.0.0, 14.1.0, 15.0.0
- F5 Big-ip_application_acceleration_manager — versions 14.0.0, 14.1.0, 15.0.0
- F5 Big-ip_application_security_manager — versions 14.0.0, 14.1.0, 15.0.0
- F5 Big-ip_domain_name_system — versions 9.2.2, 14.0.0, 14.1.0
- F5 Big-ip_edge_gateway — versions 14.0.0, 14.1.0, 15.0.0
- F5 Big-ip_fraud_protection_service — versions 14.0.0, 14.1.0, 15.0.0
- F5 Big-ip_global_traffic_manager — versions 9.2.2, 14.0.0, 14.1.0
- F5 Big-ip_link_controller — versions 9.2.2, 14.0.0, 14.1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-officer@isc.org (x_refsource_CONFIRM, Third Party Advisory)
- security-officer@isc.org (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2019-6471?
- CVE-2019-6471 is a medium-severity vulnerability in F5 Big-ip_access_policy_manager, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.9/10. Published 2019-10-09.
- How severe is CVE-2019-6471?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2019-6471 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.