CVEvulnerability
CVE-2018-8836
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-04-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.3 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-404
Description
Wago 750 Series PLCs with firmware version 10 and prior include a remote attack may take advantage of an improper implementation of the 3 way handshake during a TCP connection affecting the communications with commission and service tools. Specially crafted packets may also be sent to Port 2455/TCP/IP, used in Codesys management software, which may result in a denial-of-service condition of communications with commissioning and service tools.
Affected configurations
• wago 750-880 firmware (<= 10)
• wago 750-881 firmware (<= 10)
• wago 750-852 firmware (<= 10)
• wago 750-882 firmware (<= 10)
• wago 750-885 firmware (<= 10)
• wago 750-831 firmware (<= 10)
• wago 750-889 firmware (<= 10)
• wago 750-829 firmware (<= 10)
Related
Weakness · CWE (1)
- CWE-404 Improper Resource Shutdown or Release weakness
References
- http://www.securityfocus.com/bid/103726 Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-18-088-01 Third Party Advisory, US Government Resource
- https://www.wago.com/medias/Vulnerability-in-the-WAGO-Ethernet-TCP-IP-driver.pdf?context=bWFzdGVyfHJvb3R8MjgxNDk0fGFwcGxpY2F0aW9uL3BkZnxoOTcvaDhkLzkxNTAyMjMyMjA3NjYucGRmfGRlNWQ4ODc0NTE5M2UyNTUwNTIyNDRlOWFkNWI2YjNkMzg0YTVhYzlmYTBjNzM4MDdmNmYzOTM5M2ZlMGEzNzE Vendor Advisory
- http://www.securityfocus.com/bid/103726 Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-18-088-01 Third Party Advisory, US Government Resource
- https://www.wago.com/medias/Vulnerability-in-the-WAGO-Ethernet-TCP-IP-driver.pdf?context=bWFzdGVyfHJvb3R8MjgxNDk0fGFwcGxpY2F0aW9uL3BkZnxoOTcvaDhkLzkxNTAyMjMyMjA3NjYucGRmfGRlNWQ4ODc0NTE5M2UyNTUwNTIyNDRlOWFkNWI2YjNkMzg0YTVhYzlmYTBjNzM4MDdmNmYzOTM5M2ZlMGEzNzE Vendor Advisory