CVE-2021-44795 Modifying User Permissions via Unauthorized Access in Single Connect

Medium 5.3 Published 27 Jan 2022 Updated 18 May 2026

Remote attackers can modify or delete user permissions without authentication due to missing authorization checks in the credential UI module.

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-2021-44795?

CVE-2021-44795 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-assigned-credential-ui" module. A remote attacker could exploit this vulnerability to modify users permissions. The exploitation of this vulnerability might allow a remote attacker to delete permissions from other users without authenticating.

Weakness: CWE-862

Which versions are affected by CVE-2021-44795?

It affects 1 product.

Products include Krontech Single Connect.

How do I fix CVE-2021-44795?

No fix has been published for CVE-2021-44795 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-2021-44795 being exploited?

There is no known exploitation of CVE-2021-44795 in the wild and no public exploit code.

Sources

Also known as GHSA-w72r-mx5p-g4q9.