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TI-2017-09445 Aliases CVE-2017-12740GHSA-g8wq-427w-wgqm

Insufficient verification of data authenticity in Siemens LOGO! Soft Comfort

Priority LOW 27CWE-494Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Code execution, Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-494 and CWE-345.

Summary

Siemens LOGO! Soft Comfort (All versions before V8.2) lacks integrity verification of software packages downloaded via an unprotected communication channel. This could allow a remote attacker to manipulate the software package while performing a Man-in-the-Middle (MitM) attack.

Why it matters now

EPSS 0.00569 47th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Siemens LOGO! Soft Comfort (All versions before V8.2)Siemens LOGO! Soft Comfort (All versions before V8.2)—No fix listedCNA
  • Siemens LOGO! Soft Comfort (All versions before V8.2) Vendor— Affected Siemens LOGO! Soft Comfort (All versions before V8.2) Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:siemens:logo\!_soft_comfort:*:*:*:*:*:*:*:*before 8.2VulnerableSiemens
  • cpe:2.3:a:siemens:logo\!_soft_comfort:*:*:*:*:*:*:*:* Versions before 8.2 Vulnerable ·Siemens

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-12740
  2. 2026-10-03 Alias added: GHSA-g8wq-427w-wgqm

References

Advisory 1

  • 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-2020-15480 Path traversal in Siemens LOGO! Soft Comfort CVSS 3.1HIGH 7.8
  • TI-2020-15468 Hard-coded credentials in Siemens LOGO! 8 BM CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences