CVE-2018-8836

CVSS V2 Medium 5 CVSS V3 Medium 5.3
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.
Overview
  • CVE ID
  • CVE-2018-8836
  • Assigner
  • ics-cert@hq.dhs.gov
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-04-03T13:29:00
  • Last Modified Date
  • 2019-10-09T23:42:55
Weakness Enumerations
CWE URL
CWE-404 http://cwe.mitre.org/data/definitions/404.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:wago:750-880_firmware:*:*:*:*:*:*:*:* 1 OR 10
cpe:2.3:h:wago:750-880:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:wago:750-881_firmware:*:*:*:*:*:*:*:* 1 OR 10
cpe:2.3:h:wago:750-881:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:wago:750-852_firmware:*:*:*:*:*:*:*:* 1 OR 10
cpe:2.3:h:wago:750-852:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:wago:750-882_firmware:*:*:*:*:*:*:*:* 1 OR 10
cpe:2.3:h:wago:750-882:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:wago:750-885_firmware:*:*:*:*:*:*:*:* 1 OR 10
cpe:2.3:h:wago:750-885:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:wago:750-831_firmware:*:*:*:*:*:*:*:* 1 OR 10
cpe:2.3:h:wago:750-831:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:wago:750-889_firmware:*:*:*:*:*:*:*:* 1 OR 10
cpe:2.3:h:wago:750-889:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:wago:750-829_firmware:*:*:*:*:*:*:*:* 1 OR 10
cpe:2.3:h:wago:750-829:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • LOW
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://www.wago.com/medias/Vulnerability-in-the-WAGO-Ethernet-TCP-IP-driver.pdf?context=bWFzdGVyfHJvb3R8MjgxNDk0fGFwcGxpY2F0aW9uL3BkZnxoOTcvaDhkLzkxNTAyMjMyMjA3NjYucGRmfGRlNWQ4ODc0NTE5M2UyNTUwNTIyNDRlOWFkNWI2YjNkMzg0YTVhYzlmYTBjNzM4MDdmNmYzOTM5M2ZlMGEzNz Vendor Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-18-088-01 Third Party Advisory US Government Resource
http://www.securityfocus.com/bid/103726 Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-8836
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8836
History
Created Old Value New Value Data Type Notes
2022-05-10 17:03:40 Added to TrackCVE
2022-12-03 04:15:22 2018-04-03T13:29Z 2018-04-03T13:29:00 CVE Published Date updated
2022-12-03 04:15:22 2019-10-09T23:42:55 CVE Modified Date updated
2022-12-03 04:15:22 Modified Vulnerability Status updated