CVE-2021-32989 LCDS LAquis SCADA - Cross-site Scripting

What is CVE-2021-32989?

CVE-2021-32989 is a critical cross-site scripting vulnerability in LCDS—Leão Consultoria e Desenvolvimento de Sistemas Ltda ME LAquis SCADA, published on 25 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

When a non-existent resource is requested, the LCDS LAquis SCADA application (version 4.3.1.1011 and prior) returns error messages which may allow reflected cross-site scripting.

Weakness: CWE-79

Which versions are affected by CVE-2021-32989?

It affects 1 product.

Products include Lcds Laquis Scada.

How do I fix CVE-2021-32989?

No fix has been published for CVE-2021-32989 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-32989 being exploited?

There is no known exploitation of CVE-2021-32989 in the wild and no public exploit code.

Other vulnerabilities in LCDS—Leão Consultoria e Desenvolvimento de Sistemas Ltda ME LAquis SCADA

• CVE-2018-18996 Missing authorization in LCDS Laquis SCADA Critical 9.8
• CVE-2018-18998 Hardcoded credentials in LCDS Laquis SCADA Critical 9.8
• CVE-2018-17893 Null dereference in LAquis SCADA Critical 9.8
• CVE-2018-17895 Memory corruption in LAquis SCADA Critical 9.8
• CVE-2018-17897 Integer overflow in n/a Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-xqp7-9f97-535f.