CVE-2019-20003 — Feldtech easescreen Crystal 9

Feldtech easescreen Crystal 9.0 Web-Services 9.0.1.16265 allows Stored XSS via the Debug-Log and Display-Log components. This could be exploited when an attacker sends an crafted string for FTP authentication.

01What is this vulnerability?

Feldtech easescreen Crystal 9.0 Web-Services 9.0.1.16265 allows Stored XSS via the Debug-Log and Display-Log components. This could be exploited when an attacker sends an crafted string for FTP authentication.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

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: 2020-01-17T15:01:30.000Z
• Last modified: 2024-08-05T02:32:10.402Z

09References

• easescreen.com — https://easescreen.com/en/
• github.com — https://github.com/0xedh/someshit/blob/master/CVE-2019-20003.md