CVE-2018-8836 (GCVE-0-2018-8836)

Vulnerability from cvelistv5 – Published: 2018-04-03 13:00 – Updated: 2024-09-17 04:13
VLAI
Summary
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.
Severity
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-404 - IMPROPER RESOURCE SHUTDOWN OR RELEASE CWE-404
Assigner
icscert CNA under the icscert root
CNA scorecard B 75/100 over 343 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
WAGO WAGO 750 Series Affected: 750-880 firmware version 10 and prior
Affected: 750-881 firmware version 10 and prior
Affected: 750-852 firmware version 10 and prior
Affected: 750-882 firmware version 10 and prior
Affected: 750-885 firmware version 10 and prior
Affected: 750-831 firmware version 10 and prior
Affected: 750-889 firmware version 10 and prior
Affected: 750-829 firmware version 10 and prior
guessed Create a notification for this product.
Date Public
2018-03-15 00:00
Show details on NVD website
To clipboard 

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}



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How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

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