What is CVE-2022-30852?

CVE-2022-30852 is a medium-severity vulnerability in Withknown Known, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2022-07-08.

How severe is CVE-2022-30852?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Withknown Known

CVE-2022-30852

Known v1.3.1 was discovered to contain an Insecure Direct Object Reference (IDOR).

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2022-07-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (59.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.000

Affected products

Withknown Known

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

github.com/idno/known (Product, Third Party Advisory)
withknown.com/ (Vendor Advisory)
blog.jitendrapatro.me/multiple-vulnerabilities-in-idno-known-php-cms-software/ (Exploit, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-30852?: CVE-2022-30852 is a medium-severity vulnerability in Withknown Known, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2022-07-08.
How severe is CVE-2022-30852?: Medium severity. CVSS v3 base score is 4.3 out of 10.