CVE-2022-24043 Information disclosure in Desigo DXR2
Remote attackers can enumerate valid usernames via timing side-channels in the login function of Siemens Desigo controllers.
- 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-2022-24043?
CVE-2022-24043 is a medium-severity vulnerability in Siemens Desigo DXR2, published on 10 May 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 Desigo DXR2 (All versions < V01.21.142.5-22), Desigo PXC3 (All versions < V01.21.142.4-18), Desigo PXC4 (All versions < V02.20.142.10-10884), Desigo PXC5 (All versions < V02.20.142.10-10884). The login functionality of the application fails to normalize the response times of login attempts performed with wrong usernames with the ones executed with correct usernames. A remote unauthenticated attacker could exploit this side-channel information to perform a username enumeration attack and identify valid usernames.
Weakness: CWE-203
Which versions are affected by CVE-2022-24043?
It affects 4 products.
Products include Siemens Desigo Dxr2 Firmware, Siemens Desigo Pxc3 Firmware, Siemens Desigo Pxc4 Firmware, Siemens Desigo Pxc5 Firmware.
How do I fix CVE-2022-24043?
No fix has been published for CVE-2022-24043 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-24043 being exploited?
There is no known exploitation of CVE-2022-24043 in the wild and no public exploit code.
Other vulnerabilities in Siemens Desigo DXR2
Sources
Also known as GHSA-r754-r2fw-63fg.