CVE-2026-42781

Published May 13, 2026

Last updated 4 days ago

Overview

Description
When embedded Packet Velocity Acceleration (ePVA) acceleration is configured, undisclosed local ethernet traffic can cause an increase in ePVA and Traffic Management Microkernel (TMM) resource utilization.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Source
f5sirt@f5.com
NVD status
Analyzed
Products
big-ip_access_policy_manager, big-ip_advanced_firewall_manager, big-ip_advanced_web_application_firewall, big-ip_analytics, big-ip_application_acceleration_manager, big-ip_application_security_manager, big-ip_application_visibility_and_reporting, big-ip_automation_toolchain, big-ip_carrier-grade_nat, big-ip_container_ingress_services, big-ip_ddos_hybrid_defender, big-ip_domain_name_system, big-ip_edge_gateway, big-ip_fraud_protection_service, big-ip_global_traffic_manager, big-ip_link_controller, big-ip_local_traffic_manager, big-ip_policy_enforcement_manager, big-ip_ssl_orchestrator, big-ip_webaccelerator, big-ip_websafe

Risk scores

CVSS 4.0

Type
Secondary
Base score
7.1
Impact score
-
Exploitability score
-
Vector string
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity
HIGH

CVSS 3.1

Type
Secondary
Base score
6.5
Impact score
3.6
Exploitability score
2.8
Vector string
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity
MEDIUM

Weaknesses

f5sirt@f5.com
CWE-835

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.