ICSA-21-103-09: Siemens LOGO! Soft Comfort
CISA advisory · released 2021-04-13
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 2, 2023-12-12 (final)
CISA's summary
Summary: Two vulnerabilities have been identified in the LOGO! Soft Comfort software. These could allow an attacker to take over a system with the affected software installed. Siemens has released an update for LOGO! Soft Comfort and recommends to update to the latest version.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | LOGO! Soft Comfort | <V8.4 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2020-25243 — CVE-2020-25243 · CWE-22
A zip slip vulnerability could be triggered while importing a compromised project file to the affected software. Chained with other vulnerabilities this vulnerability could ultimately lead to a system takeover by an attacker.
- CVE-2020-25244 — CVE-2020-25244 · CWE-427
The software insecurely loads libraries which makes it vulnerable to DLL hijacking. Successful exploitation by a local attacker could lead to a takeover of the system where the software is installed.
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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