CVE-2023-34834 — A Directory Browsing vulnerability in MCL-Net version 4

A Directory Browsing vulnerability in MCL-Net version 4.3.5.8788 webserver running on default port 5080, allows attackers to gain sensitive information about the configured databases via the "/file" endpoint.

01What is this vulnerability?

A Directory Browsing vulnerability in MCL-Net version 4.3.5.8788 webserver running on default port 5080, allows attackers to gain sensitive information about the configured databases via the "/file" endpoint.

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: 2023-06-29T00:00:00.000Z
• Last modified: 2024-11-26T21:48:44.748Z

09References

• www.mclv4.mcl-collection.com — http://www.mclv4.mcl-collection.com/index.php
• www.exploit-db.com — https://www.exploit-db.com/exploits/51542