CVE-2019-16385 — Cybele Thinfinity VirtualUI 2

Cybele Thinfinity VirtualUI 2.5.17.2 allows HTTP response splitting via the mimetype parameter within a PDF viewer request, as demonstrated by an example.pdf?mimetype= substring. The victim user must load an application request to view a PDF, containing the malicious payload. Thi

01What is this vulnerability?

Cybele Thinfinity VirtualUI 2.5.17.2 allows HTTP response splitting via the mimetype parameter within a PDF viewer request, as demonstrated by an example.pdf?mimetype= substring. The victim user must load an application request to view a PDF, containing the malicious payload. This results in a reflected XSS payload being executed.

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

08Timeline

• Published: 2020-06-04T15:29:35.000Z
• Last modified: 2024-08-05T01:17:39.409Z

09References

• labs.nettitude.com — https://labs.nettitude.com/blog/cve-2019-16384-85-cyblesoft-thinfinity-virtualui…