CVE-2023-22664

highpriority · track · 30EPSS 0.006 · 50 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.63% (50th) EPSS

CVSS 7.5 · high

Is it mine?

53 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · f5sirt@f5.comexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USprimaryCWE-400US

affected products (53)

Products and version ranges known to be affected.

F5 BIG-IP16.1.0 → 16.1.3.3enisa_euvdEU
F5 BIG-IP17.0.0 → 17.0.0.2enisa_euvdEU
F5 BIG-IP SPK1.6.0 → *enisa_euvdEU
F5 Networks, Inc. BIG-IP Access Policy Manager16.1.0 → 16.1.3.3fstec_bduRU
F5 Networks, Inc. BIG-IP Access Policy Manager17.0.0 → 17.0.0.2fstec_bduRU
F5 Networks, Inc. BIG-IP Advanced Firewall Manager16.1.0 → 16.1.3.3fstec_bduRU
F5 Networks, Inc. BIG-IP Advanced Firewall Manager17.0.0 → 17.0.0.2fstec_bduRU
F5 Networks, Inc. BIG-IP Analytics16.1.0 → 16.1.3.3fstec_bduRU
F5 Networks, Inc. BIG-IP Analytics17.0.0 → 17.0.0.2fstec_bduRU
F5 Networks, Inc. BIG-IP Application Acceleration Manager16.1.0 → 16.1.3.3fstec_bduRU
F5 Networks, Inc. BIG-IP Application Acceleration Manager17.0.0 → 17.0.0.2fstec_bduRU
F5 Networks, Inc. BIG-IP Application Security Manager16.1.0 → 16.1.3.3fstec_bduRU
F5 Networks, Inc. BIG-IP Application Security Manager17.0.0 → 17.0.0.2fstec_bduRU
F5 Networks, Inc. BIG-IP DDos Hybrid Defender16.1.0 → 16.1.3.3fstec_bduRU
F5 Networks, Inc. BIG-IP DDos Hybrid Defender17.0.0 → 17.0.0.2fstec_bduRU
F5 Networks, Inc. BIG-IP Domain Name System16.1.0 → 16.1.3.3fstec_bduRU
F5 Networks, Inc. BIG-IP Domain Name System17.0.0 → 17.0.0.2fstec_bduRU
F5 Networks, Inc. BIG-IP Fraud Protection Service16.1.0 → 16.1.3.3fstec_bduRU
F5 Networks, Inc. BIG-IP Fraud Protection Service17.0.0 → 17.0.0.2fstec_bduRU
F5 Networks, Inc. BIG-IP Link Controller16.1.0 → 16.1.3.3fstec_bduRU

showing 20 of 53

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0265F5 BIG-IP: Mehrere SchwachstellenDeutsch2023-02-01csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in F5 BIG-IP ausnutzen, um seine Privilegien zu erhöhen, Code zur Ausführung zu bringen, Sicherheitsvorkehrungen zu umgehen, Informationen offenzulegen und einen Denial of Service zu verursachen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2023-02-01modified 2026-06-17

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+9606 more

references (4)

External citations — patches, advisories, analysis.

scry

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