Dashboard / CVE-2026-42781

CVE-2026-42781

HIGH
MEDIUM Priority: 0.01 BB Relevance: 59/100
Published: 2026-05-13 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Adjacent Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Adjacent
AC: Low
PR: None
UI: None
S: X
AT: None
VC: None
VI: None
VA: High

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.

Weakness Classification (1)

Affected Software (42)

VendorProductVersion
f5 big-ip_access_policy_manager 21.0.0
f5 big-ip_access_policy_manager 17.1.0 – 17.1.3
f5 big-ip_advanced_firewall_manager 21.0.0
f5 big-ip_advanced_firewall_manager 17.1.0 – 17.1.3
f5 big-ip_advanced_web_application_firewall 21.0.0
f5 big-ip_advanced_web_application_firewall 17.1.0 – 17.1.3
f5 big-ip_analytics 21.0.0
f5 big-ip_analytics 17.1.0 – 17.1.3
f5 big-ip_application_acceleration_manager 21.0.0
f5 big-ip_application_acceleration_manager 17.1.0 – 17.1.3
f5 big-ip_application_security_manager 21.0.0
f5 big-ip_application_security_manager 17.1.0 – 17.1.3
f5 big-ip_application_visibility_and_reporting 21.0.0
f5 big-ip_application_visibility_and_reporting 17.1.0 – 17.1.3
f5 big-ip_automation_toolchain 21.0.0
f5 big-ip_automation_toolchain 17.1.0 – 17.1.3
f5 big-ip_carrier-grade_nat 21.0.0
f5 big-ip_carrier-grade_nat 17.1.0 – 17.1.3
f5 big-ip_container_ingress_services 21.0.0
f5 big-ip_container_ingress_services 17.1.0 – 17.1.3
f5 big-ip_ddos_hybrid_defender 21.0.0
f5 big-ip_ddos_hybrid_defender 17.1.0 – 17.1.3
f5 big-ip_domain_name_system 21.0.0
f5 big-ip_domain_name_system 17.1.0 – 17.1.3
f5 big-ip_edge_gateway 21.0.0
f5 big-ip_edge_gateway 17.1.0 – 17.1.3
f5 big-ip_fraud_protection_service 21.0.0
f5 big-ip_fraud_protection_service 17.1.0 – 17.1.3
f5 big-ip_global_traffic_manager 21.0.0
f5 big-ip_global_traffic_manager 17.1.0 – 17.1.3
Showing 30 of 42 entries

References & Advisories (1)

Bug Bounty Relevance

59 / 100
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.1 / 10.0 v4.0
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

EPSS — Exploitation Probability

0.18%
Raw Score 0.001770
Percentile 7.3%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00177
2026-10-28
0.00177

Intelligence Sources

nvd ref →

External Links