CVE-2019-6521 Auth bypass in n/a

What is CVE-2019-6521?

CVE-2019-6521 is a high-severity authentication bypass vulnerability in n/a, published on 5 Feb 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

WebAccess/SCADA, Version 8.3. Specially crafted requests could allow a possible authentication bypass that could allow an attacker to obtain and manipulate sensitive information.

Weakness: CWE-287

Which versions are affected by CVE-2019-6521?

It affects 1 product.

Products include Advantech Webaccess\/Scada.

How do I fix CVE-2019-6521?

No fix has been published for CVE-2019-6521 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2019-6521 being exploited?

There is no known exploitation of CVE-2019-6521 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2023-1437 CVE-2023-1437 Critical 9.8
• CVE-2021-32943 Memory corruption in WebAccess/SCADA Critical 9.8
• CVE-2019-6519 Auth bypass in n/a Critical 9.8
• CVE-2019-6523 SQL injection in n/a Critical 9.8
• CVE-2021-22669 Privilege escalation in Advantech WebAccess/SCADA High 8.8

Sources

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

Also known as GHSA-v5ff-xr5w-x98p.