CVE-2020-36661

Name: CVE-2020-36661
Creator: NVD / NIST
Published: 2023-02-12T21:15:10.65+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.92%

Last modified Jun 17, 2026

CVE-2020-36661 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability was found in Kong lua-multipart 0.5.8-1. It has been declared as problematic. EPSS estimates a 0.92% chance of exploitation in the next 30 days.

Description

A vulnerability was found in Kong lua-multipart 0.5.8-1. It has been declared as problematic. This vulnerability affects the function is_header of the file src/multipart.lua. The manipulation leads to inefficient regular expression complexity. Upgrading to version 0.5.9-1 is able to address this issue. The patch is identified as d632e5df43a2928fd537784a99a79dec288bf01b. It is recommended to upgrade the affected component. VDB-220642 is the identifier assigned to this vulnerability.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.92%

55.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1333

Affected Software

Vendor	Product	Versions
Konghq	Multipart	0.5.8-1

References

https://github.com/Kong/lua-multipart/commit/d632e5df43a2928fd537784a99a79dec288bf01bPatch
https://github.com/Kong/lua-multipart/pull/34Issue Tracking, Patch
https://github.com/Kong/lua-multipart/releases/tag/0.5.9-1Patch, Release Notes
https://vuldb.com/?ctiid.220642Permissions Required, Third Party Advisory
https://vuldb.com/?id.220642Third Party Advisory
https://github.com/Kong/lua-multipart/commit/d632e5df43a2928fd537784a99a79dec288bf01bPatch
https://github.com/Kong/lua-multipart/pull/34Issue Tracking, Patch
https://github.com/Kong/lua-multipart/releases/tag/0.5.9-1Patch, Release Notes
https://vuldb.com/?ctiid.220642Permissions Required, Third Party Advisory
https://vuldb.com/?id.220642Third Party Advisory

Timeline

Published: Feb 12, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-36661?

How severe is CVE-2020-36661?

CVE-2020-36661 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.

How do I fix CVE-2020-36661?

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-2020-36661?

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

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Source: NVD / NIST