ICSA-22-195-01: Siemens SCALANCE X Switch Devices
CISA advisory · released 2022-07-12
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 3, 2025-05-06 (final)
CISA's summary
Summary: Several SCALANCE X switches contain multiple vulnerabilities. An unauthenticated attacker could reboot, cause denial-of-service conditions and potentially impact the system by other means through heap and buffer overflow vulnerabilities. Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens is preparing further updates and recommends specific countermeasures for products where updates are not, or not yet available.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | SCALANCE X200-4P IRT (6GK5200-4AH00-2BA3) | <V5.5.2 |
| Siemens | SCALANCE X201-3P IRT (6GK5201-3BH00-2BA3) | <V5.5.2 |
| Siemens | SCALANCE X201-3P IRT PRO (6GK5201-3JR00-2BA6) | <V5.5.2 |
| Siemens | SCALANCE X202-2IRT (6GK5202-2BB00-2BA3) | <V5.5.2 |
| Siemens | SCALANCE X202-2IRT (6GK5202-2BB10-2BA3) | <V5.5.2 |
| Siemens | SCALANCE X202-2P IRT (6GK5202-2BH00-2BA3) | <V5.5.2 |
| Siemens | SCALANCE X202-2P IRT PRO (6GK5202-2JR00-2BA6) | <V5.5.2 |
| Siemens | SCALANCE X204-2 (6GK5204-2BB10-2AA3) | <V5.2.6 |
| Siemens | SCALANCE X204-2FM (6GK5204-2BB11-2AA3) | <V5.2.6 |
| Siemens | SCALANCE X204-2LD (6GK5204-2BC10-2AA3) | <V5.2.6 |
| Siemens | SCALANCE X204-2LD TS (6GK5204-2BC10-2CA2) | <V5.2.6 |
| Siemens | SCALANCE X204-2TS (6GK5204-2BB10-2CA2) | <V5.2.6 |
| Siemens | SCALANCE X204IRT (6GK5204-0BA00-2BA3) | <V5.5.2 |
| Siemens | SCALANCE X204IRT (6GK5204-0BA10-2BA3) | <V5.5.2 |
| Siemens | SCALANCE X204IRT PRO (6GK5204-0JA00-2BA6) | <V5.5.2 |
| Siemens | SCALANCE X206-1 (6GK5206-1BB10-2AA3) | <V5.2.6 |
| Siemens | SCALANCE X206-1LD (6GK5206-1BC10-2AA3) | <V5.2.6 |
| Siemens | SCALANCE X208 (6GK5208-0BA10-2AA3) | <V5.2.6 |
| Siemens | SCALANCE X208PRO (6GK5208-0HA10-2AA6) | <V5.2.6 |
| Siemens | SCALANCE X212-2 (6GK5212-2BB00-2AA3) | <V5.2.6 |
| Siemens | SCALANCE X212-2LD (6GK5212-2BC00-2AA3) | <V5.2.6 |
| Siemens | SCALANCE X216 (6GK5216-0BA00-2AA3) | <V5.2.6 |
| Siemens | SCALANCE X224 (6GK5224-0BA00-2AA3) | <V5.2.6 |
| Siemens | SCALANCE XF201-3P IRT (6GK5201-3BH00-2BD2) | <V5.5.2 |
| Siemens | SCALANCE XF202-2P IRT (6GK5202-2BH00-2BD2) | <V5.5.2 |
| Siemens | SCALANCE XF204 (6GK5204-0BA00-2AF2) | <V5.2.6 |
| Siemens | SCALANCE XF204-2 (6GK5204-2BC00-2AF2) | <V5.2.6 |
| Siemens | SCALANCE XF204-2BA IRT (6GK5204-2AA00-2BD2) | <V5.5.2 |
| Siemens | SCALANCE XF204IRT (6GK5204-0BA00-2BF2) | <V5.5.2 |
| Siemens | SCALANCE XF206-1 (6GK5206-1BC00-2AF2) | <V5.2.6 |
| Siemens | SCALANCE XF208 (6GK5208-0BA00-2AF2) | <V5.2.6 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2022-26647 — CVE-2022-26647 · CWE-330
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.
- CVE-2022-26648 — CVE-2022-26648 · CWE-120
Affected devices do not properly validate the GET parameter XNo of incoming HTTP requests. This could allow an unauthenticated remote attacker to crash affected devices.
- CVE-2022-26649 — CVE-2022-26649 · CWE-120
Affected devices do not properly validate the URI of incoming HTTP GET requests. This could allow an unauthenticated remote attacker to crash affected devices.
Acknowledgments, as the advisory lists them
- Siemens ProductCERT: reporting these vulnerabilities to CISA.
The advisory's legal notice
Siemens Security Advisories are subject to the terms and conditions contained in Siemens' underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter "License Terms"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens' Global Website (https://www.siemens.com/terms_of_use, hereinafter "Terms of Use"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use.
Sources
DeSpy's copy of this version is dated 2026-09-28.
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