Critical severity9.8NVD Advisory· Published Dec 13, 2022· Updated Jun 17, 2026
CVE-2022-46353
CVE-2022-46353
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.
Affected products
11- cpe:2.3:o:siemens:6gk5204-0ba00-2kb2_firmware:*:*:*:*:*:*:*:*Range: <3.2.7
- cpe:2.3:o:siemens:6gk5204-0ba00-2mb2_firmware:*:*:*:*:*:*:*:*Range: <3.2.7
- cpe:2.3:o:siemens:6gk5204-0bs00-2na3_firmware:*:*:*:*:*:*:*:*Range: <3.2.7
- cpe:2.3:o:siemens:6gk5204-0bs00-3la3_firmware:*:*:*:*:*:*:*:*Range: <3.2.7
- cpe:2.3:o:siemens:6gk5204-0bs00-3pa3_firmware:*:*:*:*:*:*:*:*Range: <3.2.7
- Range: <V3.2.7
All versions < V3.2.7+ 1 more
- (no CPE)range: All versions < V3.2.7
- (no CPE)range: All versions < V3.2.7
All versions < V3.2.7+ 2 more
- (no CPE)range: All versions < V3.2.7
- (no CPE)range: All versions < V3.2.7
- (no CPE)range: All versions < V3.2.7
Patches
Vulnerability mechanics
References
1- cert-portal.siemens.com/productcert/pdf/ssa-363821.pdfnvdPatchVendor Advisory
News mentions
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