CVE-2020-27715

HIGH

F5 BIG-IP 14.1.0-14.1.3 and 15.1.0-15.1.0.5 - Denial of Service via Crafted TLS Request

Title source: llm
STIX 2.1

Description

On BIG-IP 15.1.0-15.1.0.5 and 14.1.0-14.1.3, crafted TLS request to the BIG-IP management interface via port 443 can cause high (~100%) CPU utilization by the httpd daemon.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.f5.com/csp/article/K25691186

Scores

CVSS v3 7.5
EPSS 0.0061
EPSS Percentile 70.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (11)
f5/big-ip_access_policy_manager 14.1.0 - 14.1.3.1
f5/big-ip_advanced_firewall_manager 14.1.0 - 14.1.3.1
f5/big-ip_analytics 14.1.0 - 14.1.3.1
f5/big-ip_application_acceleration_manager 14.1.0 - 14.1.3.1
f5/big-ip_application_security_manager 14.1.0 - 14.1.3.1
f5/big-ip_domain_name_system 14.1.0 - 14.1.3.1
f5/big-ip_fraud_protection_service 14.1.0 - 14.1.3.1
f5/big-ip_global_traffic_manager 14.1.0 - 14.1.3.1
f5/big-ip_link_controller 14.1.0 - 14.1.3.1
f5/big-ip_local_traffic_manager 14.1.0 - 14.1.3.1
... and 1 more
Published Dec 24, 2020
Tracked Since Feb 18, 2026