CVE-2020-13994

Name: CVE-2020-13994
Creator: NVD / NIST
Published: 2020-07-09T15:15:12.583+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 7.36%

Last modified Jun 17, 2026

CVE-2020-13994 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An issue was discovered in Mods for HESK 3.1.0 through 2019.1.0. A privileged user can achieve code execution on the server via a ticket because of improper access control of uploaded resources. EPSS estimates a 7.36% chance of exploitation in the next 30 days.

Description

An issue was discovered in Mods for HESK 3.1.0 through 2019.1.0. A privileged user can achieve code execution on the server via a ticket because of improper access control of uploaded resources. This might be exploitable in conjunction with CVE-2020-13992 by an unauthenticated attacker.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

7.36%

93.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Mods-For-Hesk	Mods For Hesk	>= 3.1.0, <= 2019.1.0

References

https://loca1gh0s7.github.io/MFH-from-XSS-to-RCE-loca1gh0st-exercise/Exploit, Third Party Advisory
https://loca1gh0s7.github.io/MFH-from-XSS-to-RCE-loca1gh0st-exercise/Exploit, Third Party Advisory

Timeline

Published: Jul 9, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13994?

How severe is CVE-2020-13994?

CVE-2020-13994 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 7.36% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13994?

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-2020-13994?

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

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Source: NVD / NIST