Path traversal in Siemens LOGO! Soft Comfort
Priority LOW 34CWE-22Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A vulnerability has been identified in LOGO! Soft Comfort (All versions < V8.4). 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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00311 24th percentileScored 2026-11-07
Fix Fixed LOGO! Soft Comfort (Siemens): V8.4
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA LOGO! Soft Comfort (Siemens) Fixed in V8.4
Timeline
- 2026-10-02 Threatist record created from CVE-2020-25243
- 2026-10-03 Alias added: GHSA-jxjm-m65c-whjc
References
More Siemens Logo! Soft Comfort vulnerabilities
- TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
- TI-2021-20393 Apache Log4j2 Thread Context Message Pattern and Context Lookup Pattern vulnerable to a denial of service attack KEVCVSS 3.1CRITICAL 9.0
- TI-2019-08145 Deserialization of untrusted data in Siemens LOGO! Soft Comfort CVSS 3.1HIGH 7.8
- TI-2020-15481 Uncontrolled search path in Siemens LOGO! Soft Comfort CVSS 3.1HIGH 8.4
- TI-2017-09445 Insufficient verification of data authenticity in Siemens LOGO! Soft Comfort CVSS 3.0MEDIUM 5.9
- TI-2020-15468 Hard-coded credentials in Siemens LOGO! 8 BM CVSS 3.1MEDIUM 5.5
Sources
- CVE-2020-25243 · CVE Program
- CVE-2020-25243 · NVD
- FIRST EPSS
- GHSA-jxjm-m65c-whjc · 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