BIG-IP HTTP/2 profile vulnerability
Priority MEDIUM 40CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-400.
Summary
On BIG-IP versions 17.0.x before 17.0.0.2 and 16.1.x before 16.1.3.3, and BIG-IP SPK starting in version 1.6.0, when a client-side HTTP/2 profile and the HTTP MRF Router option are enabled for a virtual server, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00626 50th percentileScored 2026-11-07
Fix Fixed BIG-IP (F5): 17.0.0.2, 16.1.3.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| F5 | BIG-IP | 17.0.0 to before 17.0.0.2; 16.1.0 to before 16.1.3.3 | 17.0.0.2, 16.1.3.3 | Patch available | CNA |
| F5 | BIG-IP SPK | 1.6.0 and later | — | No fix listed | CNA |
- BIG-IP VendorF5 Affected 17.0.0 to before 17.0.0.2; 16.1.0 to before 16.1.3.3 Fixed in 17.0.0.2, 16.1.3.3 Patch available CNA
- BIG-IP SPK VendorF5 Affected 1.6.0 and later Fixed in — No fix listed CNA
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 Vulnerable ·F5
Show 3 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:* | 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_service_proxy:1.6.0:*:*:*:*:kubernetes:*:* | 1.6.0 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:* Versions 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_service_proxy:1.6.0:*:*:*:*:kubernetes:*:* Versions 1.6.0 Vulnerable ·F5
Remediation
- Fix · CNA BIG-IP (F5) Fixed in 17.0.0.2, 16.1.3.3
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
F5 BIG-IP 16.1.3.3, 17.0.0.2
3 records Highest priority Priority MEDIUM 2 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2023-08681 HTTP profile vulnerabilityPriority MEDIUM 40
- TI-2023-08567 BIG-IP HTTP profile vulnerabilityPriority LOW 27
Timeline
- 2026-10-02 Threatist record created from CVE-2023-22664
- 2026-10-03 Alias added: GHSA-3447-4454-25p2
- 2026-10-30 EPSS moved to the 50th–90th percentile
References
More F5 Big-ip Access Policy Manager vulnerabilities
- 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
Sources
- CVE-2023-22664 · CVE Program
- CVE-2023-22664 · NVD
- FIRST EPSS
- GHSA-3447-4454-25p2 · GitHub Advisory Database · CC BY 4.0
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