CVE-2020-5924
mediumpriority · track · 21EPSS 0.011 · 66 %ileEUUSgrimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.12% (66th) EPSS
CVSS 5 · medium
Who says so?
3 sources
cnnvd · enisa_euvd · nvd
EPSS · scored 2026-10-27
In BIG-IP APM versions 12.1.0-12.1.5.1 and 11.6.1-11.6.5.2, RADIUS authentication leaks memory when the username for authentication is not set.
01
cvss
Technical severity, 0–10. One row per scoring source.
5.3
010
base score 0–10 · higher = more severe · hover a vector to decode
v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lprimary · NVD / NIST USexploitability 3.9 · impact 1.4
02
weaknesses
The CWE weakness classes this flaw belongs to.
03
affected products (3)
Products and version ranges known to be affected.
- f5 big-ip access policy manager11.6.1 → 11.6.5nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- f5 big-ip access policy manager12.1.0 → 12.1.5.2nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
04
also known as (3)
Other names and identifiers for this entity.
05
sources
Which sources assert this record, and when.
07
references (6)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2020-5924cnnvd
- https://support.f5.com/csp/article/K11400411cnnvd
- https://vigilance.fr/vulnerability/F5-BIG-IP-APM-memory-leak-via-RADIUS-Authentication-33150cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.2924/cnnvd
- https://support.f5.com/csp/article/K11400411enisa_euvd
- https://support.f5.com/csp/article/K11400411MitigationVendor Advisorynvd
scry
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