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TI-2020-04865 Aliases CVE-2020-5947GHSA-253r-3vgg-gj92

In versions 16.0.0-16.0.0.1 and 15.1.0-15.1.1, on specific BIG-IP platforms, attackers…

Priority LOW 21Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

In versions 16.0.0-16.0.0.1 and 15.1.0-15.1.1, on specific BIG-IP platforms, attackers may be able to obtain TCP sequence numbers from the BIG-IP system that can be reused in future connections with the same source and destination port and IP numbers. Only these platforms are affected: BIG-IP 2000 series (C112), BIG-IP 4000 series (C113), BIG-IP i2000 series (C117), BIG-IP i4000 series (C115), BIG-IP Virtual Edition (VE).

Why it matters now

EPSS 0.00697 53rd 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
—BIG-IP 2000 series (C112), BIG-IP 4000 series (C113), BIG-IP i2000 series (C117), BIG-IP i4000 series (C115), BIG-IP Virtual Edition (VE)16.0.0-16.0.0.1; 15.1.0-15.1.1—No fix listedCNA
  • BIG-IP 2000 series (C112), BIG-IP 4000 series (C113), BIG-IP i2000 series (C117), BIG-IP i4000 series (C115), BIG-IP Virtual Edition (VE) Vendor— Affected 16.0.0-16.0.0.1; 15.1.0-15.1.1 Fixed in — No fix listed CNA

CPE configurations NVD · 19

CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1VulnerableF5
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1VulnerableF5
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1VulnerableF5
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1VulnerableF5
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1VulnerableF5
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1VulnerableF5
cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1VulnerableF5
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*15.0.0 – 15.1.2; 16.0.0 to before 16.0.1VulnerableF5
  • cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* Versions 15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* Versions 15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* Versions 15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* Versions 15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* Versions 15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* Versions 15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* Versions 15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* Versions 15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* Versions 15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* Versions 15.0.0 – 15.1.2; 16.0.0 to before 16.0.1 Vulnerable ·F5
Show 9 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1VulnerableF5
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1VulnerableF5
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1VulnerableF5
cpe:2.3:a:f5:ssl_orchestrator:*:*:*:*:*:*:*:*15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1VulnerableF5
cpe:2.3:a:f5:big-ip_virtual_edition:-:*:*:*:*:*:*:*not specified by NVDRunning onF5
cpe:2.3:h:f5:big-ip_2000:c112:*:*:*:*:*:*:*c112Running onF5
cpe:2.3:h:f5:big-ip_4000:c113:*:*:*:*:*:*:*c113Running onF5
cpe:2.3:h:f5:big-ip_i2000:c117:*:*:*:*:*:*:*c117Running onF5
cpe:2.3:h:f5:big-ip_i4000:c115:*:*:*:*:*:*:*c115Running onF5
  • cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* Versions 15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* Versions 15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* Versions 15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1 Vulnerable ·F5
  • cpe:2.3:a:f5:ssl_orchestrator:*:*:*:*:*:*:*:* Versions 15.0.0 to before 15.1.2; 16.0.0 to before 16.0.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_virtual_edition:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·F5
  • cpe:2.3:h:f5:big-ip_2000:c112:*:*:*:*:*:*:* Versions c112 Running on ·F5
  • cpe:2.3:h:f5:big-ip_4000:c113:*:*:*:*:*:*:* Versions c113 Running on ·F5
  • cpe:2.3:h:f5:big-ip_i2000:c117:*:*:*:*:*:*:* Versions c117 Running on ·F5
  • cpe:2.3:h:f5:big-ip_i4000:c115:*:*:*:*:*:*:* Versions c115 Running on ·F5

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-5947
  2. 2026-10-03 Alias added: GHSA-253r-3vgg-gj92

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