CVE-2018-5513

HIGH

F5 BIG-IP 11.2.1-11.5.5 - Denial of Service via Malformed TLS Handshake

Title source: llm
STIX 2.1

Description

On F5 BIG-IP 13.1.0-13.1.0.3, 13.0.0, 12.1.0-12.1.3.3, 11.6.1-11.6.3.1, 11.5.1-11.5.5, or 11.2.1, a malformed TLS handshake causes TMM to crash leading to a disruption of service. This issue is only exposed on the data plane when Proxy SSL configuration is enabled. The control plane is not impacted by this issue.

References (2)

Core 2
Core References
Vendor Advisory x_refsource_confirm
https://support.f5.com/csp/article/K46940010
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1041017

Scores

CVSS v3 7.5
EPSS 0.0075
EPSS Percentile 73.4%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-20
Status published
Products (26)
f5/big-ip_access_policy_manager 13.0.0
f5/big-ip_access_policy_manager 11.2.1 - 11.5.5
f5/big-ip_advanced_firewall_manager 13.0.0
f5/big-ip_advanced_firewall_manager 11.2.1 - 11.5.5
f5/big-ip_analytics 13.0.0
f5/big-ip_analytics 11.2.1 - 11.5.5
f5/big-ip_application_acceleration_manager 13.0.0
f5/big-ip_application_acceleration_manager 11.2.1 - 11.5.5
f5/big-ip_application_security_manager 13.0.0
f5/big-ip_application_security_manager 11.2.1 - 11.5.5
... and 16 more
Published Jun 01, 2018
Tracked Since Feb 18, 2026