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TI-2018-04040 Aliases CVE-2018-5535GHSA-cjxr-pc5w-w8vm

Improper input validation in F5 BIG-IP

Priority LOW 38CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

On F5 BIG-IP 14.0.0, 13.0.0-13.1.0, 12.1.0-12.1.3, or 11.5.1-11.6.3 specifically crafted HTTP responses, when processed by a Virtual Server with an associated QoE profile that has Video enabled, may cause TMM to incorrectly buffer response data causing the TMM to restart resulting in a Denial of Service.

Why it matters now

EPSS 0.0257 85th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
F5BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator)14.0.0; 13.0.0-13.1.0; 12.1.0-12.1.3; 11.5.1-11.6.3—No fix listedCNA
  • BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator) VendorF5 Affected 14.0.0; 13.0.0-13.1.0; 12.1.0-12.1.3; 11.5.1-11.6.3 Fixed in — No fix listed CNA

CPE configurations NVD · 26

CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_local_traffic_manager:14.0.0:*:*:*:*:*:*:*14.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_application_acceleration_manager:14.0.0:*:*:*:*:*:*:*14.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:14.0.0:*:*:*:*:*:*:*14.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_analytics:14.0.0:*:*:*:*:*:*:*14.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_access_policy_manager:14.0.0:*:*:*:*:*:*:*14.0.0VulnerableF5
  • cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* Versions 11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_local_traffic_manager:14.0.0:*:*:*:*:*:*:* Versions 14.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* Versions 11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_acceleration_manager:14.0.0:*:*:*:*:*:*:* Versions 14.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* Versions 11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_firewall_manager:14.0.0:*:*:*:*:*:*:* Versions 14.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* Versions 11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_analytics:14.0.0:*:*:*:*:*:*:* Versions 14.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* Versions 11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_access_policy_manager:14.0.0:*:*:*:*:*:*:* Versions 14.0.0 Vulnerable ·F5
Show 16 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_application_security_manager:14.0.0:*:*:*:*:*:*:*14.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_domain_name_system:14.0.0:*:*:*:*:*:*:*14.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_edge_gateway:14.0.0:*:*:*:*:*:*:*14.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_fraud_protection_service:14.0.0:*:*:*:*:*:*:*14.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_global_traffic_manager:14.0.0:*:*:*:*:*:*:*14.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_link_controller:14.0.0:*:*:*:*:*:*:*14.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:14.0.0:*:*:*:*:*:*:*14.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1VulnerableF5
cpe:2.3:a:f5:big-ip_webaccelerator:14.0.0:*:*:*:*:*:*:*14.0.0VulnerableF5
  • cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* Versions 11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_security_manager:14.0.0:*:*:*:*:*:*:* Versions 14.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* Versions 11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_domain_name_system:14.0.0:*:*:*:*:*:*:* Versions 14.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* Versions 11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_edge_gateway:14.0.0:*:*:*:*:*:*:* Versions 14.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* Versions 11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_fraud_protection_service:14.0.0:*:*:*:*:*:*:* Versions 14.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* Versions 11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_global_traffic_manager:14.0.0:*:*:*:*:*:*:* Versions 14.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* Versions 11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_link_controller:14.0.0:*:*:*:*:*:*:* Versions 14.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* Versions 11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_policy_enforcement_manager:14.0.0:*:*:*:*:*:*:* Versions 14.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* Versions 11.2.1 – 11.6.3; 12.1.0 – 12.1.3; 13.0.0 – 13.1.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_webaccelerator:14.0.0:*:*:*:*:*:*:* Versions 14.0.0 Vulnerable ·F5

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-5535
  2. 2026-10-03 Alias added: GHSA-cjxr-pc5w-w8vm

References

Advisory 1

  • TI-2023-25230 BIG-IP Configuration utility unauthenticated remote code execution vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-01269 Missing authentication in F5 BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-05850 Memory corruption in BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-05845 Server-side request forgery in BIG-IP; BIG-IQ KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-04820 Path traversal in BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
See all 629 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences