CVE-2017-16806 — The Process function in RemoteTaskServer/WebServer/HttpServer

The Process function in RemoteTaskServer/WebServer/HttpServer.cs in Ulterius before 1.9.5.0 allows HTTP server directory traversal.

01What is this vulnerability?

The Process function in RemoteTaskServer/WebServer/HttpServer.cs in Ulterius before 1.9.5.0 allows HTTP server directory traversal.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

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: 2017-11-13T21:29:00.283
• Last modified: 2026-05-13T00:24:29.033

09References

• github.com — https://github.com/Ulterius/server/commit/770d1821de43cf1d0a93c79025995bdd812a76…
• www.exploit-db.com — https://www.exploit-db.com/exploits/43141/
• github.com — https://github.com/Ulterius/server/commit/770d1821de43cf1d0a93c79025995bdd812a76…
• www.exploit-db.com — https://www.exploit-db.com/exploits/43141/