CVE-2024-37993 Missing authorization in SIMATIC RF1140R

Q: Is CVE-2024-37993 being exploited?

There is no known exploitation of CVE-2024-37993 in the wild and no public exploit code.

Q: How do I fix CVE-2024-37993?

No fix has been published for CVE-2024-37993 yet. Limit exposure of the affected software until one is available.

Medium 6.9 Published 10 Sep 2024 Updated 10 Sep 2024

Unauthenticated attackers can cause denial of service in Siemens SIMATIC RFID readers by creating unauthorized Ajax2App instances.

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-2024-37993?

CVE-2024-37993 is a medium-severity missing authorization vulnerability in Siemens SIMATIC RF1140R, published on 10 Sep 2024. 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 SIMATIC Reader RF610R CMIIT (6GT2811-6BC10-2AA0) (All versions < V4.2), SIMATIC Reader RF610R ETSI (6GT2811-6BC10-0AA0) (All versions < V4.2), SIMATIC Reader RF610R FCC (6GT2811-6BC10-1AA0) (All versions < V4.2), SIMATIC Reader RF615R CMIIT (6GT2811-6CC10-2AA0) (All versions < V4.2), SIMATIC Reader RF615R ETSI (6GT2811-6CC10-0AA0) (All versions < V4.2), SIMATIC Reader RF615R FCC (6GT2811-6CC10-1AA0) (All versions < V4.2), SIMATIC Reader RF650R ARIB (6GT2811-6AB20-4AA0) (All versions < V4.2), SIMATIC Reader RF650R CMIIT (6GT2811-6AB20-2AA0) (All versions < V4.2), SIMATIC Reader RF650R ETSI (6GT2811-6AB20-0AA0) (All versions < V4.2), SIMATIC Reader RF650R FCC (6GT2811-6AB20-1AA0) (All versions < V4.2), SIMATIC Reader RF680R ARIB (6GT2811-6AA10-4AA0) (All versions < V4.2), SIMATIC Reader RF680R CMIIT (6GT2811-6AA10-2AA0) (All versions < V4.2), SIMATIC Reader RF680R ETSI (6GT2811-6AA10-0AA0) (All versions < V4.2), SIMATIC Reader RF680R FCC (6GT2811-6AA10-1AA0) (All versions < V4.2), SIMATIC Reader RF685R ARIB (6GT2811-6CA10-4AA0) (All versions < V4.2), SIMATIC Reader RF685R CMIIT (6GT2811-6CA10-2AA0) (All versions < V4.2), SIMATIC Reader RF685R ETSI (6GT2811-6CA10-0AA0) (All versions < V4.2), SIMATIC Reader RF685R FCC (6GT2811-6CA10-1AA0) (All versions < V4.2), SIMATIC RF1140R (6GT2831-6CB00) (All versions < V1.1), SIMATIC RF1170R (6GT2831-6BB00) (All versions < V1.1), SIMATIC RF166C (6GT2002-0EE20) (All versions < V2.2), SIMATIC RF185C (6GT2002-0JE10) (All versions < V2.2), SIMATIC RF186C (6GT2002-0JE20) (All versions < V2.2), SIMATIC RF186CI (6GT2002-0JE50) (All versions < V2.2), SIMATIC RF188C (6GT2002-0JE40) (All versions < V2.2), SIMATIC RF188CI (6GT2002-0JE60) (All versions < V2.2), SIMATIC RF360R (6GT2801-5BA30) (All versions < V2.2). The affected applications do not authenticated the creation of Ajax2App instances. This could allow an unauthenticated attacker to cause a denial of service condition.

Weakness: CWE-284

Which versions are affected by CVE-2024-37993?

It affects 27 products.

Products include Siemens Simatic Reader Rf610r Cmiit Firmware, Siemens Simatic Reader Rf610r Etsi Firmware, Siemens Simatic Reader Rf610r Fcc Firmware, Siemens Simatic Reader Rf615r Cmiit Firmware, Siemens Simatic Reader Rf615r Etsi Firmware, Siemens Simatic Reader Rf615r Fcc Firmware and 21 more.

How do I fix CVE-2024-37993?

No fix has been published for CVE-2024-37993 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-2024-37993 being exploited?

There is no known exploitation of CVE-2024-37993 in the wild and no public exploit code.

Sources

Also known as GHSA-84jf-469j-vw82.