High severity · published Feb 1, 2023
CVE-2023-22664
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…
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Big-ip Access Policy Manager · F5
16.1.0 before 16.1.3.3; 17.0.0 before 17.0.0.2 · source: NVD
BA
Big-ip Advanced Firewall Manager · F5
16.1.0 before 16.1.3.3; 17.0.0 before 17.0.0.2 · source: NVD
BA
Big-ip Analytics · F5
16.1.0 before 16.1.3.3; 17.0.0 before 17.0.0.2 · source: NVD
BA
Big-ip Application Acceleration Manager · F5
16.1.0 before 16.1.3.3; 17.0.0 before 17.0.0.2 · source: NVD
BA
Big-ip Application Security Manager · F5
16.1.0 before 16.1.3.3; 17.0.0 before 17.0.0.2 · source: NVD
BD
Big-ip Ddos Hybrid Defender · F5
16.1.0 before 16.1.3.3; 17.0.0 before 17.0.0.2 · source: NVD
BD
Big-ip Domain Name System · F5
16.1.0 before 16.1.3.3; 17.0.0 before 17.0.0.2 · source: NVD
BF
Big-ip Fraud Protection Service · F5
16.1.0 before 16.1.3.3; 17.0.0 before 17.0.0.2 · source: NVD
BL
Big-ip Link Controller · F5
16.1.0 before 16.1.3.3; 17.0.0 before 17.0.0.2 · source: NVD
BL
Big-ip Local Traffic Manager · F5
16.1.0 before 16.1.3.3; 17.0.0 before 17.0.0.2 · source: NVD
BP
Big-ip Policy Enforcement Manager · F5
16.1.0 before 16.1.3.3; 17.0.0 before 17.0.0.2 · source: NVD
BS
Big-ip Service Proxy · F5
1.6.0 · source: NVD
Affected product
BA
Big-ip Access Policy Manager
F5
More from Big-ip Access Policy Manager
9.8
CVE-2026-94127
BIG-IP APM OAuth vulnerability
9.8
CVE-2025-53521
BigIP APM Vulnerability
9.8
CVE-2023-46747
BIG-IP Configuration utility unauthenticated remote code execution vulnerability
9.8
CVE-2022-1388
F5 BIG-IP Missing Authentication Vulnerability
9.8
CVE-2021-22991
F5 BIG-IP Traffic Management Microkernel Buffer Overflow