Man-in-the-middle attack in LOGO! - CVE-2017-12735
Published: August 31, 2017
Vulnerability identifier: #VU8048
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2017-12735
CWE-ID: CWE-300
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Siemens
Affected software:
LOGO!
LOGO!
Detailed vulnerability description
The vulnerability allows a remote attacker to perform man-in-the-middle attack.
The weakness exists due to improper permissions and access controls. A remote attacker with network access to the integrated web server on port 80/tcp can obtain the session ID of an active user session.
The weakness exists due to improper permissions and access controls. A remote attacker with network access to the integrated web server on port 80/tcp can obtain the session ID of an active user session.
How to mitigate CVE-2017-12735
Siemens recommends applying the following mitigations for customers with existing
installations, and for mitigation of the second vulnerability:
- Configure the environment according to the recommendations in the user manual;
- Apply cell protection concept;
- Use VPN for protecting network communication between cells;
- Apply Defense-in-Depth.
installations, and for mitigation of the second vulnerability:
- Configure the environment according to the recommendations in the user manual;
- Apply cell protection concept;
- Use VPN for protecting network communication between cells;
- Apply Defense-in-Depth.