CVE-2021-31682

Name: CVE-2021-31682
Creator: NVD / NIST
Published: 2021-10-22T12:15:07.923+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 10.51%

Last modified Jun 17, 2026

CVE-2021-31682 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The login portal for the Automated Logic WebCTRL/WebCTRL OEM web application contains a vulnerability that allows for reflected XSS attacks due to the operatorlocale GET parameter not being sanitized. This issue impacts versions 6.5 and below. EPSS estimates a 10.51% chance of exploitation in the next 30 days.

Description

The login portal for the Automated Logic WebCTRL/WebCTRL OEM web application contains a vulnerability that allows for reflected XSS attacks due to the operatorlocale GET parameter not being sanitized. This issue impacts versions 6.5 and below. This issue works by passing in a basic XSS payload to a vulnerable GET parameter that is reflected in the output without sanitization.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

10.51%

95.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Automatedlogic	Webctrl	<= 6.5

References

http://packetstormsecurity.com/files/164707/WebCTRL-OEM-6.5-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/3ndG4me/WebCTRL-OperatorLocale-Parameter-Reflected-XSSExploit, Third Party Advisory
https://www.automatedlogic.com/en/products-services/webctrl-building-automation-system/Vendor Advisory
http://packetstormsecurity.com/files/164707/WebCTRL-OEM-6.5-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/3ndG4me/WebCTRL-OperatorLocale-Parameter-Reflected-XSSExploit, Third Party Advisory
https://www.automatedlogic.com/en/products-services/webctrl-building-automation-system/Vendor Advisory

Timeline

Published: Oct 22, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-31682?

How severe is CVE-2021-31682?

CVE-2021-31682 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 10.51% probability of exploitation in the next 30 days.

How do I fix CVE-2021-31682?

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-2021-31682?

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

Scan your code now

Source: NVD / NIST