What is CVE-2022-3770?

CVE-2022-3770 is a medium-severity vulnerability in Xjyunjing Yunjing Content Management System, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2022-10-31.

How severe is CVE-2022-3770?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Privilege escalation in Xjyunjing Yunjing Content Management System

CVE-2022-3770

A vulnerability classified as critical was found in Yunjing CMS. This vulnerability affects unknown code of the file /index/user/upload_img.html. The manipulation of the argument file leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-212500.

Published 2022-10-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.006 (45.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-266 — Incorrect Privilege Assignment

References

github.com/swzaq/swzaq (Exploit, Third Party Advisory)
vuldb.com/ (Permissions Required, Third Party Advisory)

Frequently asked questions

What is CVE-2022-3770?: CVE-2022-3770 is a medium-severity vulnerability in Xjyunjing Yunjing Content Management System, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2022-10-31.
How severe is CVE-2022-3770?: Medium severity. CVSS v3 base score is 6.3 out of 10.