CVE-2022-46353

CRITICAL

SCALANCE X204RNA - Info Disclosure

Title source: llm
STIX 2.1

Description

A vulnerability has been identified in SCALANCE X204RNA (HSR) (All versions < V3.2.7), SCALANCE X204RNA (PRP) (All versions < V3.2.7), SCALANCE X204RNA EEC (HSR) (All versions < V3.2.7), SCALANCE X204RNA EEC (PRP) (All versions < V3.2.7), SCALANCE X204RNA EEC (PRP/HSR) (All versions < V3.2.7). The webserver of affected devices calculates session ids and nonces in an insecure manner. This could allow an unauthenticated remote attacker to brute-force session ids and hijack existing sessions.

Scores

CVSS v3 9.8
EPSS 0.0199
EPSS Percentile 83.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-330
Status published
Products (5)
siemens/6gk5204-0ba00-2kb2_firmware < 3.2.7
siemens/6gk5204-0ba00-2mb2_firmware < 3.2.7
siemens/6gk5204-0bs00-2na3_firmware < 3.2.7
siemens/6gk5204-0bs00-3la3_firmware < 3.2.7
siemens/6gk5204-0bs00-3pa3_firmware < 3.2.7
Published Dec 13, 2022
Tracked Since Feb 18, 2026