CVE-2023-3305 — A vulnerability was found in C-DATA Web Management System up to 20230607

A vulnerability was found in C-DATA Web Management System up to 20230607. It has been classified as critical. This affects an unknown part of the file /cgi-bin/jumpto.php?class=user&page=config_save&isphp=1 of the component User Creation Handler. The manipulation of the a

01What is this vulnerability?

A vulnerability was found in C-DATA Web Management System up to 20230607. It has been classified as critical. This affects an unknown part of the file /cgi-bin/jumpto.php?class=user&page=config_save&isphp=1 of the component User Creation Handler. The manipulation of the argument user/newpassword leads to improper access controls. It is possible to initiate the attack remotely. The exploit has…

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: 2023-06-18 (3 years ago)
• Last modified: 2026-06-17

09References

No additional references available in the KB record.