CVE-2026-42781
HIGH EPSS 7.5%
Published May 13, 20261mo ago · Modified Jun 23, 20266d ago
7.1 CVSS 4.0
Published May 13, 2026 1mo ago
Last Modified Jun 23, 2026 6d ago
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.
CVSS Details
Base Score
Exploitability
Impact
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 Attack Vector Adjacent
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
7.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-835
Affected Products 63
| Vendor | Product | Version | Range |
|---|---|---|---|
| f5 | big-ip_access_policy_manager | 21.0.0 | any |
| f5 | big-ip_advanced_firewall_manager | 21.0.0 | any |
| f5 | big-ip_advanced_web_application_firewall | 21.0.0 | any |
| f5 | big-ip_analytics | 21.0.0 | any |
| f5 | big-ip_application_acceleration_manager | 21.0.0 | any |
| f5 | big-ip_application_security_manager | 21.0.0 | any |
| f5 | big-ip_application_visibility_and_reporting | 21.0.0 | any |
| f5 | big-ip_automation_toolchain | 21.0.0 | any |
| f5 | big-ip_carrier-grade_nat | 21.0.0 | any |
| f5 | big-ip_container_ingress_services | 21.0.0 | any |
| f5 | big-ip_ddos_hybrid_defender | 21.0.0 | any |
| f5 | big-ip_domain_name_system | 21.0.0 | any |
| f5 | big-ip_edge_gateway | 21.0.0 | any |
| f5 | big-ip_fraud_protection_service | 21.0.0 | any |
| f5 | big-ip_global_traffic_manager | 21.0.0 | any |
| f5 | big-ip_link_controller | 21.0.0 | any |
| f5 | big-ip_local_traffic_manager | 21.0.0 | any |
| f5 | big-ip_policy_enforcement_manager | 21.0.0 | any |
| f5 | big-ip_ssl_orchestrator | 21.0.0 | any |
| f5 | big-ip_webaccelerator | 21.0.0 | any |
| f5 | big-ip_websafe | 21.0.0 | any |
| f5 | big-ip_access_policy_manager | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_access_policy_manager | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_advanced_firewall_manager | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_advanced_firewall_manager | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_advanced_web_application_firewall | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_advanced_web_application_firewall | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_analytics | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_analytics | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_application_acceleration_manager | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_application_acceleration_manager | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_application_security_manager | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_application_security_manager | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_application_visibility_and_reporting | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_application_visibility_and_reporting | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_automation_toolchain | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_automation_toolchain | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_carrier-grade_nat | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_carrier-grade_nat | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_container_ingress_services | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_container_ingress_services | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_ddos_hybrid_defender | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_ddos_hybrid_defender | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_domain_name_system | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_domain_name_system | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_edge_gateway | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_edge_gateway | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_fraud_protection_service | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_fraud_protection_service | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_global_traffic_manager | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_global_traffic_manager | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_link_controller | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_link_controller | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_local_traffic_manager | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_local_traffic_manager | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_policy_enforcement_manager | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_policy_enforcement_manager | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_ssl_orchestrator | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_ssl_orchestrator | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_webaccelerator | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_webaccelerator | * | ≥17.5.0 – ≤17.5.1 |
| f5 | big-ip_websafe | * | ≥17.1.0 – ≤17.1.3 |
| f5 | big-ip_websafe | * | ≥17.5.0 – ≤17.5.1 |
References 1
- my.f5.com https://my.f5.com/manage/s/article/K000160862
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.