CVE-2021-23000
mediumPriorität · verfolgen · 30EPSS 0.010 · 62. PerzentilEUUSEPSS · bewertet 2026-10-27
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.
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 4.3–7.5
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (29)
Betroffene Produkte und Versionsbereiche.
- f5 big-ip access policy manager= 12.1.5.2nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- f5 big-ip access policy manager13.1.3.4 → 13.1.3.6nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- f5 big-ip advanced firewall manager= 12.1.5.2nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
- f5 big-ip advanced firewall manager13.1.3.4 → 13.1.3.6nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
- f5 big-ip advanced web application firewall= 12.1.5.2nvdUScpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
- f5 big-ip advanced web application firewall13.1.3.4 → 13.1.3.6nvdUScpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
- f5 big-ip application acceleration manager= 12.1.5.2nvdUScpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
- f5 big-ip application acceleration manager13.1.3.4 → 13.1.3.6nvdUScpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
- f5 big-ip application security manager= 12.1.5.2nvdUScpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
- f5 big-ip application security manager13.1.3.4 → 13.1.3.6nvdUScpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
- f5 big-ip ddos hybrid defender= 12.1.5.2nvdUScpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*
- f5 big-ip ddos hybrid defender13.1.3.4 → 13.1.3.6nvdUScpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*
- f5 big-ip domain name system13.1.3.4 → 13.1.3.6nvdUScpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
- f5 big-ip fraud protection service= 12.1.5.2nvdUScpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
- f5 big-ip fraud protection service13.1.3.4 → 13.1.3.6nvdUScpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
- f5 big-ip global traffic manager= 12.1.5.2nvdUScpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
auch bekannt als (3)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (6)
Externe Belege — Patches, Meldungen, Analysen.
- https://nvd.nist.gov/vuln/detail/CVE-2021-23000cnnvd
- https://support.f5.com/csp/article/K34441555cnnvd
- https://vigilance.fr/vulnerability/F5-BIG-IP-denial-of-service-via-tmm-cnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.0873cnnvd
- https://support.f5.com/csp/article/K34441555enisa_euvd
- https://support.f5.com/csp/article/K34441555Vendor Advisorynvd
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