ICSA-22-013-05: Siemens COMOS Web (Update A)
CISA advisory · released 2022-01-11
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 4, 2025-05-06 (final)
CISA's summary
Summary: Multiple vulnerabilities were identified in the web components of COMOS that could allow an attacker to conduct code injections, store data in undesired locations, execute arbitrary SQL statements, and run cross-site request forgery attacks. Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where updates are not, or not yet available.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | COMOS V10.2 | All_versions_only_if_web_components_are_used |
| Siemens | COMOS V10.3 | <V10.3.3.3_only_if_web_components_are_used |
| Siemens | COMOS V10.3 | >=V10.3.3.3_only_if_web_components_are_used |
| Siemens | COMOS V10.4 | <V10.4.1_only_if_web_components_are_used |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2021-37194 — CVE-2021-37194 · CWE-434
The COMOS Web component of COMOS allows to upload and store arbitrary files at the webserver. This could allow an attacker to store malicious files.
- CVE-2021-37195 — CVE-2021-37195 · CWE-80
The COMOS Web component of COMOS accepts arbitrary code as attachment to tasks. This could allow an attacker to inject malicious code that is executed when loading the attachment.
- CVE-2021-37196 — CVE-2021-37196 · CWE-23
The COMOS Web component of COMOS unpacks specially crafted archive files to relative paths. This vulnerability could allow an attacker to store files in any folder accessible by the COMOS Web webservice.
- CVE-2021-37197 — CVE-2021-37197 · CWE-89
The COMOS Web component of COMOS is vulnerable to SQL injections. This could allow an attacker to execute arbitrary SQL statements.
- CVE-2021-37198 — CVE-2021-37198 · CWE-352
The COMOS Web component of COMOS uses a flawed implementation of CSRF prevention. An attacker could exploit this vulnerability to perform cross-site request forgery attacks.
Acknowledgments, as the advisory lists them
- Siemens ProductCERT: reporting this vulnerability to CISA.
- Sandro Poppi: reporting the vulnerabilities
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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