CVE-2022-3939 — A vulnerability, which was classified as critical, has been found in lanyulei fe

A vulnerability, which was classified as critical, has been found in lanyulei ferry. Affected by this issue is some unknown functionality of the file apis/public/file.go of the component API. The manipulation of the argument file leads to path traversal. The attack may be launche

01What is this vulnerability?

A vulnerability, which was classified as critical, has been found in lanyulei ferry. Affected by this issue is some unknown functionality of the file apis/public/file.go of the component API. The manipulation of the argument file leads to path traversal. The attack may be launched remotely. VDB-213446 is the identifier assigned to this vulnerability.

02Affected products

Vendor	Product	Versions
lanyulei	ferry	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: 2022-11-11T00:00:00.000Z
• Last modified: 2025-04-15T13:17:15.576Z

09References

• vuldb.com — https://vuldb.com/?id.213446