CVE-2022-44457 Auth bypass in Mendix SAML (Mendix 7 compatible)

Critical 9.8 Published Updated

Attackers can bypass authentication via packet capture replay in Mendix SAML when non-default IdP-initiated authentication is enabled.

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-2022-44457?

CVE-2022-44457 is a critical authentication bypass vulnerability in Siemens Mendix SAML (Mendix 7 compatible), published on 8 Nov 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability has been identified in Mendix SAML (Mendix 7 compatible) (All versions < V1.17.0), Mendix SAML (Mendix 7 compatible) (All versions >= V1.17.0 < V1.17.2), Mendix SAML (Mendix 8 compatible) (All versions < V2.3.0), Mendix SAML (Mendix 8 compatible) (All versions >= V2.3.0 < V2.3.2), Mendix SAML (Mendix 9 compatible, New Track) (All versions < V3.3.1), Mendix SAML (Mendix 9 compatible, New Track) (All versions >= V3.3.1 < V3.3.5), Mendix SAML (Mendix 9 compatible, Upgrade Track) (All versions < V3.3.0), Mendix SAML (Mendix 9 compatible, Upgrade Track) (All versions >= V3.3.0 < V3.3.4). Affected versions of the module insufficiently protect from packet capture replay, only when the not recommended, non default configuration option `'Allow Idp Initiated Authentication'` is enabled. This CVE entry describes the incomplete fix for CVE-2022-37011 in a specific non default configuration.

Weakness: CWE-294

Which versions are affected by CVE-2022-44457?

It affects 1 product.

Products include Mendix Saml.

How do I fix CVE-2022-44457?

No fix has been published for CVE-2022-44457 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-2022-44457 being exploited?

There is no known exploitation of CVE-2022-44457 in the wild and no public exploit code.

Sources

Also known as GHSA-r796-qqqw-vxrj.

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