vulnwire
8.8high

CVE-2018-7831

An Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability exists in the embedded web servers in all Mo…

Published 7 y ago · modified 4 mo ago · JSON

CVSS
8.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.6%
percentile 51%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

0.64% probability of exploitation in the next 30 days, higher than 51% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.08.8CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • Schneider Electric SE Embedded Web Servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
  • CWE-352 Cross-Site Request Forgery

References

  • tenable.com /security/research/tra-2018-38 · x_refsource_MISC, x_transferred
  • schneider-electric.com /en/download/document/SEVD-2018-327-01/ · x_refsource_CONFIRM, x_transferred

Sources

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