CVE-2020-5949
mediumpriority · track · 30EPSS 0.010 · 64 %ileEUUSgrimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.04% (64th) EPSS
CVSS 5 · medium
Who says so?
3 sources
cnnvd · enisa_euvd · nvd
EPSS · scored 2026-10-27
On BIG-IP versions 14.0.0-14.0.1 and 13.1.0-13.1.3.4, certain traffic pattern sent to a virtual server configured with an FTP profile can cause the FTP channel to break.
01
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 · 5–7.5
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
02
weaknesses
The CWE weakness classes this flaw belongs to.
CWE-400USLLM-inferred
03
affected products (29)
Products and version ranges known to be affected.
- f5 big-ip access policy manager13.1.0 → 13.1.3.5nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- f5 big-ip access policy manager14.0.0 → 14.1.0nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- f5 big-ip advanced firewall manager13.1.0 → 13.1.3.5nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
- f5 big-ip advanced firewall manager14.0.0 → 14.1.0nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
- f5 big-ip advanced web application firewall13.1.0 → 13.1.3.5nvdUScpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
- f5 big-ip advanced web application firewall14.0.0 → 14.1.0nvdUScpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
- f5 big-ip application acceleration manager13.1.0 → 13.1.3.5nvdUScpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
- f5 big-ip application acceleration manager14.0.0 → 14.1.0nvdUScpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
- f5 big-ip application security manager13.1.0 → 13.1.3.5nvdUScpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
- f5 big-ip application security manager14.0.0 → 14.1.0nvdUScpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
- f5 big-ip ddos hybrid defender13.1.0 → 13.1.3.5nvdUScpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*
- f5 big-ip ddos hybrid defender14.0.0 → 14.1.0nvdUScpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*
- f5 big-ip domain name system13.1.0 → 13.1.3.5nvdUScpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
- f5 big-ip domain name system14.0.0 → 14.1.0nvdUScpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
- f5 big-ip fraud protection service13.1.0 → 13.1.3.5nvdUScpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
- f5 big-ip fraud protection service14.0.0 → 14.1.0nvdUScpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
- f5 big-ip global traffic manager13.1.0 → 13.1.3.5nvdUScpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
showing 20 of 29
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-2020-5949cnnvd
- https://support.f5.com/csp/article/K20984059cnnvd
- https://vigilance.fr/vulnerability/F5-BIG-IP-denial-of-service-via-FTP-Profile-34086cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.4379/cnnvd
- https://support.f5.com/csp/article/K20984059enisa_euvd
- https://support.f5.com/csp/article/K20984059Vendor Advisorynvd
scry
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