CVE-2018-7831

CVSS V2 Medium 4.3 CVSS V3 High 8.8
Description
An Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 allowing an attacker to send a specially crafted URL to a currently authenticated web server user to execute a password change on the web server.
Overview
  • CVE ID
  • CVE-2018-7831
  • Assigner
  • cybersecurity@se.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-11-30T19:29:00
  • Last Modified Date
  • 2020-08-24T17:37:01
Weakness Enumerations
CWE URL
CWE-352 http://cwe.mitre.org/data/definitions/352.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:M/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • 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-2018-7831
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7831
History
Created Old Value New Value Data Type Notes
2022-05-10 16:31:36 Added to TrackCVE
2022-12-03 14:53:41 cybersecurity@schneider-electric.com cybersecurity@se.com CVE Assigner updated
2022-12-03 14:53:41 2018-11-30T19:29Z 2018-11-30T19:29:00 CVE Published Date updated
2022-12-03 14:53:41 2020-08-24T17:37:01 CVE Modified Date updated
2022-12-03 14:53:41 Analyzed Vulnerability Status updated