CVE-2020-5859

mediumpriority · track · 30EPSS 0.010 · 64 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.04% (64th) EPSS

CVSS 5 · medium

Is it mine?

23 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

On BIG-IP 15.1.0.1, specially formatted HTTP/3 messages may cause TMM to produce a core file.

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

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

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

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20US

affected products (23)

Products and version ranges known to be affected.

n/a BIG-IP≤ 15.1.0.1enisa_euvdEU
F5 Networks, Inc. BIG-IP Access Policy Manager15.0.0 → 15.0.1fstec_bduRU
F5 Networks, Inc. BIG-IP Advanced Firewall Manager15.0.0 → 15.0.1fstec_bduRU
F5 Networks, Inc. BIG-IP Analytics15.0.0 → 15.0.1fstec_bduRU
F5 Networks, Inc. BIG-IP Application Acceleration Manager15.0.0 → 15.0.1fstec_bduRU
F5 Networks, Inc. BIG-IP Application Security Manager15.0.0 → 15.0.1fstec_bduRU
F5 Networks, Inc. BIG-IP DNS15.0.0 → 15.0.1fstec_bduRU
F5 Networks, Inc. BIG-IP Fraud Protection Service15.0.0 → 15.0.1fstec_bduRU
F5 Networks, Inc. BIG-IP Global Traffic Manager15.0.0 → 15.0.1fstec_bduRU
F5 Networks, Inc. BIG-IP Link Controller15.0.0 → 15.0.1fstec_bduRU
F5 Networks, Inc. BIG-IP Local Traffic Manager15.0.0 → 15.0.1fstec_bduRU
F5 Networks, Inc. BIG-IP Policy Enforcement Manager15.0.0 → 15.0.1fstec_bduRU
f5 big-ip access policy manager15.0.0 → 15.0.1.1nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
f5 big-ip advanced firewall manager15.0.0 → 15.0.1.1nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
f5 big-ip analytics15.0.0 → 15.0.1.1nvdUScpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
f5 big-ip application acceleration manager15.0.0 → 15.0.1.1nvdUScpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
f5 big-ip application security manager15.0.0 → 15.0.1.1nvdUScpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
f5 big-ip domain name system15.0.0 → 15.0.1.1nvdUScpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
f5 big-ip fraud protection service15.0.0 → 15.0.1.1nvdUScpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
f5 big-ip global traffic manager15.0.0 → 15.0.1.1nvdUScpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*

showing 20 of 23

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2020-03-27modified 2026-06-17

references (6)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan