What is CVE-2020-5896?

CVE-2020-5896 is a high-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2020-05-12.

How severe is CVE-2020-5896?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in F5 Big-Ip Access Policy Manager

CVE-2020-5896

On versions 7.1.5-7.1.9, the BIG-IP Edge Client's Windows Installer Service's temporary folder has weak file and folder permissions.

Published 2020-05-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (22.8th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

support.f5.com/csp/article/K15478554 (Vendor Advisory)

Frequently asked questions

What is CVE-2020-5896?: CVE-2020-5896 is a high-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2020-05-12.
How severe is CVE-2020-5896?: High severity. CVSS v3 base score is 7.8 out of 10.