CVE-2022-4511 — A vulnerability has been found in RainyGao DocSys and classified as critical

A vulnerability has been found in RainyGao DocSys and classified as critical. Affected by this vulnerability is an unknown functionality of the component com.DocSystem.controller.UserController#getUserImg. The manipulation leads to path traversal: '../filedir'. The atta

01What is this vulnerability?

A vulnerability has been found in RainyGao DocSys and classified as critical. Affected by this vulnerability is an unknown functionality of the component com.DocSystem.controller.UserController#getUserImg. The manipulation leads to path traversal: '../filedir'. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to…

02Affected products

Vendor	Product	Versions
RainyGao	DocSys	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: 2022-12-15T00:00:00.000Z
• Last modified: 2025-04-14T15:55:06.447Z

09References

• gitee.com — https://gitee.com/RainyGao/DocSys/issues/I66A3V
• vuldb.com — https://vuldb.com/?id.215851