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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2018-8836 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://www.securityfocus.com/bid/103726 CVE, ICS-CERT Third Party Advisory  VDB Entry 
https://ics-cert.us-cert.gov/advisories/ICSA-18-088-01 CVE, ICS-CERT Third Party Advisory  US Government Resource 
https://www.wago.com/medias/Vulnerability-in-the-WAGO-Ethernet-TCP-IP-driver.pdf?context=bWFzdGVyfHJvb3R8MjgxNDk0fGFwcGxpY2F0aW9uL3BkZnxoOTcvaDhkLzkxNTAyMjMyMjA3NjYucGRmfGRlNWQ4ODc0NTE5M2UyNTUwNTIyNDRlOWFkNWI2YjNkMzg0YTVhYzlmYTBjNzM4MDdmNmYzOTM5M2ZlMGEzNzE CVE, ICS-CERT Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-404 Improper Resource Shutdown or Release cwe source acceptance level NIST   ICS-CERT  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-8836
NVD Published Date:
04/03/2018
NVD Last Modified:
06/16/2026
Source:
ICS-CERT