CVE-2020-15939

Name: CVE-2020-15939
Creator: NVD / NIST
Published: 2021-09-06T16:15:07.373+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2020-15939 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. An improper access control vulnerability (CWE-284) in FortiSandbox versions 3.2.1 and below and 3.1.4 and below may allow an authenticated, unprivileged attacker to download the device configuration file via the recovery URL.. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

An improper access control vulnerability (CWE-284) in FortiSandbox versions 3.2.1 and below and 3.1.4 and below may allow an authenticated, unprivileged attacker to download the device configuration file via the recovery URL.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.63%

45.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Fortinet	Fortisandbox	< 3.1.5
Fortinet	Fortisandbox	>= 3.2.0, < 3.2.2

References

https://fortiguard.com/advisory/FG-IR-20-071Vendor Advisory
https://fortiguard.com/advisory/FG-IR-20-071Vendor Advisory

Timeline

Published: Sep 6, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15939?

How severe is CVE-2020-15939?

CVE-2020-15939 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15939?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-15939?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST