CVE-2022-46353
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductSiemens 6gk5204-0ba00-2mb2 Firmware
PublishedDec 13, 2022
First seenDec 13, 2022
Weakness typeCWE-330CWE-330
How to fix
Update
- siemens 6gk5204-0ba00-2mb2_firmware3.2.7 or later
- siemens 6gk5204-0ba00-2kb2_firmware3.2.7 or later
- siemens 6gk5204-0bs00-2na3_firmware3.2.7 or later
- siemens 6gk5204-0bs00-3la3_firmware3.2.7 or later
- siemens 6gk5204-0bs00-3pa3_firmware3.2.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens 6gk5204-0ba00-2mb2_firmware | v < 3.2.7 | 3.2.7 |
| siemens 6gk5204-0ba00-2kb2_firmware | v < 3.2.7 | 3.2.7 |
| siemens 6gk5204-0bs00-2na3_firmware | v < 3.2.7 | 3.2.7 |
| siemens 6gk5204-0bs00-3la3_firmware | v < 3.2.7 | 3.2.7 |
| siemens 6gk5204-0bs00-3pa3_firmware | v < 3.2.7 | 3.2.7 |
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