CVE-2021-23000
BIG-IP
HIGH 7.5
At a glance
- Source
- NVD
- EPSS
- EPSS 0.97 % · percentile 62 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- f5
- NVD status
- Modified
Description
On BIG-IP versions 13.1.3.4-13.1.3.6 and 12.1.5.2, if the tmm.http.rfc.enforcement BigDB key is enabled in a BIG-IP system, or the Bad host header value is checked in the AFM HTTP security profile associated with a virtual server, in rare instances, a specific sequence of malicious requests may cause TMM to restart. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2021-10118
- GCVE · GCVE-0-2021-23000
CERT-FR advisories
- CERTFR-2021-AVI-205 — Multiples vulnérabilités dans F5 BIG-IP · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*≥ 13.1.3.4 < 13.1.3.6cpe:2.3:a:f5:big-ip_access_policy_manager:12.1.5.2:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*≥ 13.1.3.4 < 13.1.3.6cpe:2.3:a:f5:big-ip_advanced_firewall_manager:12.1.5.2:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*≥ 13.1.3.4 < 13.1.3.6cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:12.1.5.2:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*≥ 13.1.3.4 < 13.1.3.6cpe:2.3:a:f5:big-ip_analytics:12.1.5.2:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*≥ 13.1.3.4 < 13.1.3.6cpe:2.3:a:f5:big-ip_application_acceleration_manager:12.1.5.2:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*≥ 13.1.3.4 < 13.1.3.6cpe:2.3:a:f5:big-ip_application_security_manager:12.1.5.2:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*≥ 13.1.3.4 < 13.1.3.6cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:12.1.5.2:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*≥ 13.1.3.4 < 13.1.3.6cpe:2.3:a:f5:big-ip_domain_name_system:12.1.5.2:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*≥ 13.1.3.4 < 13.1.3.6cpe:2.3:a:f5:big-ip_fraud_protection_service:12.1.5.2:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*≥ 13.1.3.4 < 13.1.3.6cpe:2.3:a:f5:big-ip_global_traffic_manager:12.1.5.2:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*≥ 13.1.3.4 < 13.1.3.6cpe:2.3:a:f5:big-ip_link_controller:12.1.5.2:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*≥ 13.1.3.4 < 13.1.3.6cpe:2.3:a:f5:big-ip_local_traffic_manager:12.1.5.2:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*≥ 13.1.3.4 < 13.1.3.6cpe:2.3:a:f5:big-ip_policy_enforcement_manager:12.1.5.2:*:*:*:*:*:*:*cpe:2.3:a:f5:ssl_orchestrator:*:*:*:*:*:*:*:*≥ 13.1.3.4 < 13.1.3.6cpe:2.3:a:f5:ssl_orchestrator:12.1.5.2:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| BIG-IP | affected 13.1.3.4-13.1.3.5, 12.1.5.2 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |