CVE-2018-7809

CVSS V2 Medium 6.4 CVSS V3 Critical 9.8
Description
An Unverified Password Change vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 which could allow an unauthenticated remote user to access the password delete function of the web server.
Overview
  • CVE ID
  • CVE-2018-7809
  • Assigner
  • cybersecurity@se.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-11-30T19:29:00
  • Last Modified Date
  • 2018-12-28T18:33:19
Weakness Enumerations
CWE URL
CWE-640 http://cwe.mitre.org/data/definitions/640.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:schneider-electric:modicom_m340_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:schneider-electric:modicom_m340:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:schneider-electric:modicom_premium_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:schneider-electric:modicom_premium:*:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:schneider-electric:modicom_quantum_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:schneider-electric:modicom_quantum:*:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:schneider-electric:modicom_bmxnor0200h_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:schneider-electric:modicom_bmxnor0200h:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.schneider-electric.com/en/download/document/SEVD-2018-327-01/ Vendor Advisory
https://www.tenable.com/security/research/tra-2018-38 Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-7809
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7809
History
Created Old Value New Value Data Type Notes
2022-05-10 17:49:00 Added to TrackCVE
2022-12-03 14:53:28 cybersecurity@schneider-electric.com cybersecurity@se.com CVE Assigner updated
2022-12-03 14:53:28 2018-11-30T19:29Z 2018-11-30T19:29:00 CVE Published Date updated
2022-12-03 14:53:28 2018-12-28T18:33:19 CVE Modified Date updated
2022-12-03 14:53:28 Analyzed Vulnerability Status updated