CVE-2022-33137
High
Description
A vulnerability has been identified in SIMATIC MV540 H (All versions < V3.3), SIMATIC MV540 S (All versions < V3.3), SIMATIC MV550 H (All versions < V3.3), SIMATIC MV550 S (All versions < V3.3), SIMATIC MV560 U (All versions < V3.3), SIMATIC MV560 X (All versions < V3.3). The web session management of affected devices does not invalidate session ids in certain logout scenarios. This could allow an authenticated remote attacker to hijack other users' sessions.
SeverityHigh
CVSS8.0
Exploit probability—
ProductSiemens Simatic Mv540 H Firmware
PublishedJul 12, 2022
First seenJul 12, 2022
Weakness typeCWE-613CWE-613
How to fix
Update
- siemens simatic_mv540_h_firmware3.3 or later
- siemens simatic_mv540_s_firmware3.3 or later
- siemens simatic_mv550_h_firmware3.3 or later
- siemens simatic_mv550_s_firmware3.3 or later
- siemens simatic_mv560_u_firmware3.3 or later
- siemens simatic_mv560_x_firmware3.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens simatic_mv540_h_firmware | v < 3.3 | 3.3 |
| siemens simatic_mv540_s_firmware | v < 3.3 | 3.3 |
| siemens simatic_mv550_h_firmware | v < 3.3 | 3.3 |
| siemens simatic_mv550_s_firmware | v < 3.3 | 3.3 |
| siemens simatic_mv560_u_firmware | v < 3.3 | 3.3 |
| siemens simatic_mv560_x_firmware | v < 3.3 | 3.3 |
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