CVE-2020-27729
mediumpriority · track · 24EPSS 0.006 · 51 %ileEUUSgrimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.64% (51st) EPSS
CVSS 5.8 · medium
Who says so?
3 sources
cnnvd · enisa_euvd · nvd
EPSS · scored 2026-10-27
In versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, an undisclosed link on the BIG-IP APM virtual server allows a malicious user to build an open redirect URI.
01
cvss
Technical severity, 0–10. One row per scoring source.
6.1
010
base score 0–10 · higher = more severe · hover a vector to decode
v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7
02
weaknesses
The CWE weakness classes this flaw belongs to.
03
affected products (7)
Products and version ranges known to be affected.
- n/a BIG-IP APM≤ 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, 11.6.1-11.6.5.2enisa_euvdEU
- 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 → 12.1.5nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- 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 manager14.1.0 → 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 access policy manager16.0.0 → 16.0.1nvdUScpe: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-2020-27729cnnvd
- https://support.f5.com/csp/article/K15310332cnnvd
- https://vigilance.fr/vulnerability/F5-BIG-IP-APM-open-redirect-via-Virtual-Server-34144cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.4487/cnnvd
- https://support.f5.com/csp/article/K15310332enisa_euvd
- https://support.f5.com/csp/article/K15310332Vendor Advisorynvd
scry
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