What is CVE-2021-30108?

CVE-2021-30108 is a critical-severity vulnerability in Feehi Cms, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.1/10. Published 2021-05-24.

How severe is CVE-2021-30108?

Critical severity. CVSS v3 base score is 9.1 out of 10.

SSRF in Feehi Cms

CVE-2021-30108

Feehi CMS 2.1.1 is affected by a Server-side request forgery (SSRF) vulnerability. When the user modifies the HTTP Referer header to any url, the server can make a request to it.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2021-05-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.011 (64.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Feehi Cms — versions 2.1.1

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

github.com/liufee/cms/issues/57 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-30108?: CVE-2021-30108 is a critical-severity vulnerability in Feehi Cms, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.1/10. Published 2021-05-24.
How severe is CVE-2021-30108?: Critical severity. CVSS v3 base score is 9.1 out of 10.