CVE-2020-5917

MEDIUM

F5 BIG-IP 11.6.1-15.1.0.4 & BIG-IQ 5.2.0-7.0.0 - Weak OpenSSH Host Key Encryption

Title source: llm
STIX 2.1

Description

In BIG-IP versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.2 and BIG-IQ versions 5.2.0-7.0.0, the host OpenSSH servers utilize keys of less than 2048 bits which are no longer considered secure.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.f5.com/csp/article/K43404629

Scores

CVSS v3 5.9
EPSS 0.0025
EPSS Percentile 48.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-326
Status published
Products (13)
f5/big-ip_access_policy_manager 11.6.1 - 11.6.5
f5/big-ip_advanced_firewall_manager 11.6.1 - 11.6.5
f5/big-ip_analytics 11.6.1 - 11.6.5
f5/big-ip_application_acceleration_manager 11.6.1 - 11.6.5
f5/big-ip_application_security_manager 11.6.1 - 11.6.5
f5/big-ip_domain_name_system 11.6.1 - 11.6.5
f5/big-ip_fraud_protection_service 11.6.1 - 11.6.5
f5/big-ip_global_traffic_manager 11.6.1 - 11.6.5
f5/big-ip_link_controller 11.6.1 - 11.6.5
f5/big-ip_local_traffic_manager 11.6.1 - 11.6.5
... and 3 more
Published Aug 26, 2020
Tracked Since Feb 18, 2026