CVE-2022-24043
MEDIUMSiemens Desigo DXR2, PXC3, PXC4, PXC5 - Username Enumeration via Login Timing Side Channel
Title source: llmDescription
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.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://cert-portal.siemens.com/productcert/pdf/ssa-626968.pdf
Scores
CVSS v3
5.3
EPSS
0.0067
EPSS Percentile
71.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Details
CWE
CWE-203
Status
published
Products (4)
siemens/desigo_dxr2_firmware
< 01.21.142.5-22
siemens/desigo_pxc3_firmware
< 01.21.142.4-18
siemens/desigo_pxc4_firmware
< 02.20.142.10-10884
siemens/desigo_pxc5_firmware
< 02.20.142.10-10884
Published
May 20, 2022
Tracked Since
Feb 18, 2026