CVE-2020-27715
highpriority · track · 30EPSS 0.011 · 64 %ileEUUSgrimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
1.06% (64th) EPSS
CVSS 7.8 · high
Who says so?
3 sources
cnnvd · enisa_euvd · nvd
EPSS · scored 2026-10-27
On BIG-IP 15.1.0-15.1.0.5 and 14.1.0-14.1.3, crafted TLS request to the BIG-IP management interface via port 443 can cause high (~100%) CPU utilization by the httpd daemon.
01
cvss
Technical severity, 0–10. One row per scoring source.
7.8
010
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.8
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
02
weaknesses
The CWE weakness classes this flaw belongs to.
03
affected products (23)
Products and version ranges known to be affected.
- f5 big-ip access policy manager14.1.0 → 14.1.3.1nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- f5 big-ip access policy manager15.0.0 → 15.1.1nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- f5 big-ip advanced firewall manager14.1.0 → 14.1.3.1nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
- f5 big-ip advanced firewall manager15.0.0 → 15.1.1nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
- f5 big-ip application acceleration manager14.1.0 → 14.1.3.1nvdUScpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
- f5 big-ip application acceleration manager15.0.0 → 15.1.1nvdUScpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
- f5 big-ip application security manager14.1.0 → 14.1.3.1nvdUScpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
- f5 big-ip application security manager15.0.0 → 15.1.1nvdUScpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
- f5 big-ip domain name system14.1.0 → 14.1.3.1nvdUScpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
- f5 big-ip domain name system15.0.0 → 15.1.1nvdUScpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
- f5 big-ip fraud protection service14.1.0 → 14.1.3.1nvdUScpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
- f5 big-ip fraud protection service15.0.0 → 15.1.1nvdUScpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
- f5 big-ip global traffic manager14.1.0 → 14.1.3.1nvdUScpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
- f5 big-ip global traffic manager15.0.0 → 15.1.1nvdUScpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
- f5 big-ip local traffic manager14.1.0 → 14.1.3.1nvdUScpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*
showing 20 of 23
04
also known as (3)
Other names and identifiers for this entity.
05
sources
Which sources assert this record, and when.
06
references (6)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2020-27715cnnvd
- https://support.f5.com/csp/article/K25691186cnnvd
- https://vigilance.fr/vulnerability/F5-BIG-IP-overload-via-Configuration-Utility-TLS-Request-34148cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.4498/cnnvd
- https://support.f5.com/csp/article/K25691186enisa_euvd
- https://support.f5.com/csp/article/K25691186Vendor Advisorynvd
scry
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