CVE-2021-30191

High

Description

CODESYS V2 Web-Server before 1.1.9.20 has a a Buffer Copy without Checking the Size of the Input.

SeverityHigh
CVSS7.5
Exploit probability—
ProductWago 750-893 Firmware
PublishedMay 25, 2021
First seenMay 25, 2021

How to fix

Update
  • wago 750-893_firmwarefw08 or later
  • wago 750-891_firmwarefw08 or later
  • wago 750-890_firmwarefw08 or later
  • wago 750-889_firmwarefw15 or later
  • wago 750-885_firmwarefw15 or later
  • wago 750-882_firmwarefw15 or later
  • wago 750-881_firmwarefw15 or later
  • wago 750-880_firmwarefw16 or later
  • wago 750-862_firmwarefw08 or later
  • wago 750-852_firmwarefw15 or later
  • wago 750-832_firmwarefw08 or later
  • wago 750-831_firmwarefw15 or later

Affected products

ProductAffected versionsFixed in
wago 750-893_firmwarev < fw08fw08
wago 750-891_firmwarev < fw08fw08
wago 750-890_firmwarev < fw08fw08
wago 750-889_firmwarev < fw15fw15
wago 750-885_firmwarev < fw15fw15
wago 750-882_firmwarev < fw15fw15
wago 750-881_firmwarev < fw15fw15
wago 750-880_firmwarev < fw16fw16
wago 750-862_firmwarev < fw08fw08
wago 750-852_firmwarev < fw15fw15
wago 750-832_firmwarev < fw08fw08
wago 750-831_firmwarev < fw15fw15
wago 750-829_firmwarev < fw15fw15
wago 750-8202_firmwarev < 03.06.19_\(18\)03.06.19_\(18\)
wago 750-8203_firmwarev < 03.06.19_\(18\)03.06.19_\(18\)
wago 750-8204_firmwarev < 03.06.19_\(18\)03.06.19_\(18\)
wago 750-8206_firmwarev < 03.06.19_\(18\)03.06.19_\(18\)
wago 750-8207_firmwarev < 03.06.19_\(18\)03.06.19_\(18\)
wago 750-8208_firmwarev < 03.06.19_\(18\)03.06.19_\(18\)
wago 750-8210_firmwarev < 03.06.19_\(18\)03.06.19_\(18\)
wago 750-8211_firmwarev < 03.06.19_\(18\)03.06.19_\(18\)
wago 750-8212_firmwarev < 03.06.19_\(18\)03.06.19_\(18\)
wago 750-8213_firmwarev < 03.06.19_\(18\)03.06.19_\(18\)
wago 750-8214_firmwarev < 03.06.19_\(18\)03.06.19_\(18\)
wago 750-8216_firmwarev < 03.06.19_\(18\)03.06.19_\(18\)
wago 750-8217_firmwarev < 03.06.19_\(18\)03.06.19_\(18\)
codesys v2_web_serverv < 1.1.9.201.1.9.20
wago 750-823_firmwarev < fw08fw08

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