CVE-2017-12740
Siemens LOGO! Soft Comfort (All versions before V8.2) lacks integrity verification of software...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2017-12740- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-494, CWE-345
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2017-12740- Weakness
- CWE-494
- Updated
- 2026-11-02
EUVDEUVD-2017-4279 No score
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.
- Record
EUVD-2017-4279- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g8wq-427w-wgqm
Siemens LOGO! Soft Comfort (All versions before V8.2) lacks integrity verification of software...
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.
- Record
GHSA-g8wq-427w-wgqm- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-345, CWE-494
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-12740 is a medium vulnerability (CVSS 5.9) in Siemens Logo\! Soft Comfort, published December 26, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.57%, the 47th percentile. No source names a fixed version.