CVE-2022-24043

20.05.2022, 13:15

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.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	5.3 MEDIUM	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
siemens	CNA	---				---
CVE	ADP	---				---

Base Score

CVSS 3.x

EPSS Score

Percentile: 64%

Vendor	Product	Version
siemens	desigo_dxr2_firmware	𝑥 < 01.21.142.5-22
siemens	desigo_pxc3_firmware	𝑥 < 01.21.142.4-18
siemens	desigo_pxc4_firmware	𝑥 < 02.20.142.10-10884
siemens	desigo_pxc5_firmware	𝑥 < 02.20.142.10-10884

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-203 - Observable Discrepancy
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-626968.pdf