Insufficient session expiration in Siemens SIMATIC MV540 H
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-613.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Siemens | SIMATIC MV540 H | before V3.3 | V3.3 | Patch available | CNA |
| Siemens | SIMATIC MV540 S | before V3.3 | V3.3 | Patch available | CNA |
| Siemens | SIMATIC MV550 H | before V3.3 | V3.3 | Patch available | CNA |
| Siemens | SIMATIC MV550 S | before V3.3 | V3.3 | Patch available | CNA |
| Siemens | SIMATIC MV560 U | before V3.3 | V3.3 | Patch available | CNA |
| Siemens | SIMATIC MV560 X | before V3.3 | V3.3 | Patch available | CNA |
- SIMATIC MV540 H VendorSiemens Affected before V3.3 Fixed in V3.3 Patch available CNA
- SIMATIC MV540 S VendorSiemens Affected before V3.3 Fixed in V3.3 Patch available CNA
- SIMATIC MV550 H VendorSiemens Affected before V3.3 Fixed in V3.3 Patch available CNA
- SIMATIC MV550 S VendorSiemens Affected before V3.3 Fixed in V3.3 Patch available CNA
- SIMATIC MV560 U VendorSiemens Affected before V3.3 Fixed in V3.3 Patch available CNA
- SIMATIC MV560 X VendorSiemens Affected before V3.3 Fixed in V3.3 Patch available CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:siemens:simatic_mv540_h_firmware:*:*:*:*:*:*:*:* | before 3.3 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_mv540_h:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:simatic_mv540_s_firmware:*:*:*:*:*:*:*:* | before 3.3 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_mv540_s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:simatic_mv550_h_firmware:*:*:*:*:*:*:*:* | before 3.3 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_mv550_h:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:simatic_mv550_s_firmware:*:*:*:*:*:*:*:* | before 3.3 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_mv550_s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:simatic_mv560_u_firmware:*:*:*:*:*:*:*:* | before 3.3 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_mv560_u:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- cpe:2.3:o:siemens:simatic_mv540_h_firmware:*:*:*:*:*:*:*:* Versions before 3.3 Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_mv540_h:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:simatic_mv540_s_firmware:*:*:*:*:*:*:*:* Versions before 3.3 Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_mv540_s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:simatic_mv550_h_firmware:*:*:*:*:*:*:*:* Versions before 3.3 Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_mv550_h:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:simatic_mv550_s_firmware:*:*:*:*:*:*:*:* Versions before 3.3 Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_mv550_s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:simatic_mv560_u_firmware:*:*:*:*:*:*:*:* Versions before 3.3 Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_mv560_u:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
Remediation
- Fix · CNA SIMATIC MV540 H (Siemens) Fixed in V3.3
- Fix · CNA SIMATIC MV540 S (Siemens) Fixed in V3.3
- Fix · CNA SIMATIC MV550 H (Siemens) Fixed in V3.3
- Fix · CNA SIMATIC MV550 S (Siemens) Fixed in V3.3
- Fix · CNA SIMATIC MV560 U (Siemens) Fixed in V3.3
- Fix · CNA SIMATIC MV560 X (Siemens) Fixed in V3.3
Timeline
- 2026-10-02 Threatist record created from CVE-2022-33137
- 2026-10-03 Alias added: GHSA-jp3h-x882-5crh
References
More Siemens Simatic Mv540 H Firmware vulnerabilities
- TI-2023-18360 Resource allocation without limits in Siemens SIMATIC MV540 H CVSS 3.1HIGH 8.6
- TI-2023-17985 Uncontrolled resource consumption in Siemens SIMATIC MV540 H CVSS 3.1HIGH 7.5
- TI-2023-17984 Uncontrolled resource consumption in Siemens SIMATIC MV540 H CVSS 3.1HIGH 7.5
- TI-2022-14578 Missing authentication in Siemens SIMATIC MV540 H CVSS 3.1HIGH 7.5
Sources
- CVE-2022-33137 · CVE Program
- CVE-2022-33137 · NVD
- FIRST EPSS
- GHSA-jp3h-x882-5crh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences