high
7.8
CWE
787 121 119
Advisory Published
Advisory Published
Updated

CVE-2021-43983: WECON LeviStudioU UMP File Parsing BaseSet Tag CurScrIdAddr Stack-based Buffer Overflow Remote Code Execution Vulnerability

First published: Mon Dec 13 2021(Updated: )

This vulnerability allows remote attackers to execute arbitrary code on affected installations of WECON LeviStudioU. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of Alarm tags within UMP files. When parsing the bitaddr attribute, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

Credit: ics-cert@hq.dhs.gov ics-cert@hq.dhs.gov

Affected SoftwareAffected VersionHow to fix
We-con Levistudiou<=2019-09-21
WECON LeviStudioU
WECON Technology Co., Ltd (WECON) LeviStudioU: Versions 2019-09-21 and prior
<=2019-09-21

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203