CVE-2021-22973

HIGH

F5 BIG-IP 12.1.x-16.0.x - Out-of-bounds Write in JSON Parser

Title source: llm
STIX 2.1

Description

On BIG-IP version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.5, and all 12.1.x versions, JSON parser function does not protect against out-of-bounds memory accesses or writes. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.f5.com/csp/article/K13323323

Scores

CVSS v3 7.5
EPSS 0.0065
EPSS Percentile 71.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-787
Status published
Products (10)
f5/big-ip_access_policy_manager 12.1.0 - 12.1.5
f5/big-ip_advanced_firewall_manager 12.1.0 - 12.1.5
f5/big-ip_analytics 12.1.0 - 12.1.5
f5/big-ip_application_acceleration_manager 12.1.0 - 12.1.5
f5/big-ip_application_security_manager 12.1.0 - 12.1.5
f5/big-ip_domain_name_system 12.1.0 - 12.1.5
f5/big-ip_fraud_protection_service 12.1.0 - 12.1.5
f5/big-ip_global_traffic_manager 12.1.0 - 12.1.5
f5/big-ip_link_controller 12.1.0 - 12.1.5
f5/big-ip_policy_enforcement_manager 12.1.0 - 12.1.5
Published Feb 12, 2021
Tracked Since Feb 18, 2026