CVE-2021-23007

mediumpriority · track · 22EPSS 0.016 · 75 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.58% (75th) EPSS

CVSS 5 · medium

Is it mine?

33 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

On BIG-IP versions 14.1.4 and 16.0.1.1, when the Traffic Management Microkernel (TMM) process handles certain undisclosed traffic, it may start dropping all fragmented IP traffic. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

cvss

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

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USLLM-inferred

affected products (33)

Products and version ranges known to be affected.

n/a BIG-IP≤ 14.1.4 and 16.0.1.1enisa_euvdEU
f5 big-ip access policy manager= 14.1.4nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
f5 big-ip access policy manager= 16.0.1.1nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
f5 big-ip advanced firewall manager= 14.1.4nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
f5 big-ip advanced firewall manager= 16.0.1.1nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
f5 big-ip advanced web application firewall= 14.1.4nvdUScpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
f5 big-ip advanced web application firewall= 16.0.1.1nvdUScpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
f5 big-ip analytics= 14.1.4nvdUScpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
f5 big-ip analytics= 16.0.1.1nvdUScpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
f5 big-ip application acceleration manager= 14.1.4nvdUScpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
f5 big-ip application acceleration manager= 16.0.1.1nvdUScpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
f5 big-ip application security manager= 14.1.4nvdUScpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
f5 big-ip application security manager= 16.0.1.1nvdUScpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
f5 big-ip ddos hybrid defender= 14.1.4nvdUScpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*
f5 big-ip ddos hybrid defender= 16.0.1.1nvdUScpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*
f5 big-ip domain name system= 14.1.4nvdUScpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
f5 big-ip domain name system= 16.0.1.1nvdUScpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
f5 big-ip edge gateway= 14.1.4nvdUScpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*
f5 big-ip edge gateway= 16.0.1.1nvdUScpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*
f5 big-ip fraud protection service= 14.1.4nvdUScpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*

showing 20 of 33

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-03-31modified 2026-06-17

references (6)

External citations — patches, advisories, analysis.

scry

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