CVE-2019-6853 — A CWE-79: Failure to Preserve Web Page Structure vulnerability exists in Andover

A CWE-79: Failure to Preserve Web Page Structure vulnerability exists in Andover Continuum (models 9680, 5740 and 5720, bCX4040, bCX9640, 9900, 9940, 9924 and 9702) , which could enable a successful Cross-site Scripting (XSS attack) when using the products web server.

01What is this vulnerability?

A CWE-79: Failure to Preserve Web Page Structure vulnerability exists in Andover Continuum (models 9680, 5740 and 5720, bCX4040, bCX9640, 9900, 9940, 9924 and 9702) , which could enable a successful Cross-site Scripting (XSS attack) when using the products web server.

02Affected products

Vendor	Product	Versions
Schneider Electric	Andover Continuum models 9680, 5740 and 5720, bCX4040, bCX9640, 9900, 9940, 9924 and 9702	Andover Continuum models 9680, 5740 and 5720, bCX4040, bCX9640, 9900, 9940, 9924 and 9702

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-11-20T22:01:18.000Z
• Last modified: 2024-08-04T20:31:04.456Z

09References

• www.se.com — https://www.se.com/ww/en/download/document/SEVD-2019-316-01/