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Vulnerability Details : CVE-2018-8836

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.
Publish Date : 2018-04-03 Last Update Date : 2018-05-21
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 404

- Products Affected By CVE-2018-8836

# Product Type Vendor Product Version Update Edition Language
1 OS Wago 750-829 Firmware 10 Version Details Vulnerabilities
2 OS Wago 750-831 Firmware 10 Version Details Vulnerabilities
3 OS Wago 750-852 Firmware 10 Version Details Vulnerabilities
4 OS Wago 750-880 Firmware 10 Version Details Vulnerabilities
5 OS Wago 750-881 Firmware 10 Version Details Vulnerabilities
6 OS Wago 750-882 Firmware 10 Version Details Vulnerabilities
7 OS Wago 750-885 Firmware 10 Version Details Vulnerabilities
8 OS Wago 750-889 Firmware 10 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Wago 750-829 Firmware 1
Wago 750-831 Firmware 1
Wago 750-852 Firmware 1
Wago 750-880 Firmware 1
Wago 750-881 Firmware 1
Wago 750-882 Firmware 1
Wago 750-885 Firmware 1
Wago 750-889 Firmware 1

- References For CVE-2018-8836

https://ics-cert.us-cert.gov/advisories/ICSA-18-088-01
https://www.wago.com/medias/Vulnerability-in-the-WAGO-Ethernet-TCP-IP-driver.pdf?context=bWFzdGVyfHJvb3R8MjgxNDk0fGFwcGxpY2F0aW9uL3BkZnxoOTcvaDhkLzkxNTAyMjMyMjA3NjYucGRmfGRlNWQ4ODc0NTE5M2UyNTUwNTIyNDRlOWFkNWI2YjNkMzg0YTVhYzlmYTBjNzM4MDdmNmYzOTM5M2ZlMGEzNzE CONFIRM
http://www.securityfocus.com/bid/103726
BID 103726

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)

- Metasploit Modules Related To CVE-2018-8836

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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