CVE-2021-44794 Information Leakege via Unauthorized Access in Single Connect

Medium 5.3 Published 27 Jan 2022 Updated 18 May 2026

Remote attackers can access sensitive device information via the diagnostic UI due to missing authorization checks in Kron Single Connect.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-44794?

CVE-2021-44794 is a medium-severity missing authorization vulnerability in Kron Single Connect, published on 27 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Single Connect does not perform an authorization check when using the "sc-diagnostic-ui" module. A remote attacker could exploit this vulnerability to access the device information page. The exploitation of this vulnerability might allow a remote attacker to obtain sensitive information.

Weakness: CWE-862

Which versions are affected by CVE-2021-44794?

It affects 1 product.

Products include Krontech Single Connect.

How do I fix CVE-2021-44794?

No fix has been published for CVE-2021-44794 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-44794 being exploited?

There is no known exploitation of CVE-2021-44794 in the wild and no public exploit code.

Sources

Also known as GHSA-6p9r-qwhr-gc82.