Vulnerability Description
A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < V5.5.2), SCALANCE X201-3P IRT (All versions < V5.5.2), SCALANCE X201-3P IRT PRO (All versions < V5.5.2), SCALANCE X202-2IRT (All versions < V5.5.2), SCALANCE X202-2IRT (All versions < V5.5.2), SCALANCE X202-2P IRT (All versions < V5.5.2), SCALANCE X202-2P IRT PRO (All versions < V5.5.2), SCALANCE X204-2 (All versions < V5.2.6), SCALANCE X204-2FM (All versions < V5.2.6), SCALANCE X204-2LD (All versions < V5.2.6), SCALANCE X204-2LD TS (All versions < V5.2.6), SCALANCE X204-2TS (All versions < V5.2.6), SCALANCE X204IRT (All versions < V5.5.2), SCALANCE X204IRT (All versions < V5.5.2), SCALANCE X204IRT PRO (All versions < V5.5.2), SCALANCE X206-1 (All versions < V5.2.6), SCALANCE X206-1LD (All versions < V5.2.6), SCALANCE X208 (All versions < V5.2.6), SCALANCE X208PRO (All versions < V5.2.6), SCALANCE X212-2 (All versions < V5.2.6), SCALANCE X212-2LD (All versions < V5.2.6), SCALANCE X216 (All versions < V5.2.6), SCALANCE X224 (All versions < V5.2.6), SCALANCE XF201-3P IRT (All versions < V5.5.2), SCALANCE XF202-2P IRT (All versions < V5.5.2), SCALANCE XF204 (All versions < V5.2.6), SCALANCE XF204-2 (All versions < V5.2.6), SCALANCE XF204-2BA IRT (All versions < V5.5.2), SCALANCE XF204IRT (All versions < V5.5.2), SCALANCE XF206-1 (All versions < V5.2.6), SCALANCE XF208 (All versions < V5.2.6). 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Scalance X200-4P Irt Firmware | All versions |
| Siemens | Scalance X200-4P Irt | - |
| Siemens | Scalance X201-3P Irt Firmware | All versions |
| Siemens | Scalance X201-3P Irt | - |
| Siemens | Scalance X201-3P Irt Pro Firmware | All versions |
| Siemens | Scalance X201-3P Irt Pro | - |
| Siemens | Scalance X202-2Irt Firmware | All versions |
| Siemens | Scalance X202-2Irt | - |
| Siemens | Scalance X202-2P Irt Firmware | All versions |
| Siemens | Scalance X202-2P Irt | - |
| Siemens | Scalance X202-2P Irt Pro Firmware | All versions |
| Siemens | Scalance X202-2P Irt Pro | - |
| Siemens | Scalance X204-2 Firmware | < 5.2.6 |
| Siemens | Scalance X204-2 | - |
| Siemens | Scalance X204-2Fm Firmware | < 5.2.6 |
| Siemens | Scalance X204-2Fm | - |
| Siemens | Scalance X204-2Ld Firmware | < 5.2.6 |
| Siemens | Scalance X204-2Ld | - |
| Siemens | Scalance X204-2Ld Ts Firmware | < 5.2.6 |
| Siemens | Scalance X204-2Ld Ts | - |
Related Weaknesses (CWE)
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-310038.pdfPatchVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-310038.pdfPatchVendor Advisory
FAQ
What is CVE-2022-26647?
CVE-2022-26647 is a vulnerability with a CVSS score of 8.8 (HIGH). A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < V5.5.2), SCALANCE X201-3P IRT (All versions < V5.5.2), SCALANCE X201-3P IRT PRO (All versions < V5.5.2), SCALANCE X202-2IRT ...
How severe is CVE-2022-26647?
CVE-2022-26647 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-26647?
Check the references section above for vendor advisories and patch information. Affected products include: Siemens Scalance X200-4P Irt Firmware, Siemens Scalance X200-4P Irt, Siemens Scalance X201-3P Irt Firmware, Siemens Scalance X201-3P Irt, Siemens Scalance X201-3P Irt Pro Firmware.