CVE-2021-30108

Name: CVE-2021-30108
Creator: NVD / NIST
Published: 2021-05-24T20:15:07.777+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 1.11%

Last modified Jun 17, 2026

CVE-2021-30108 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 1.11% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability

1.11%

61.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Feehi	Feehi Cms	2.1.1

References

https://github.com/liufee/cms/issues/57Exploit, Issue Tracking, Third Party Advisory
https://github.com/liufee/cms/issues/57Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: May 24, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is 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.

How severe is CVE-2021-30108?

CVE-2021-30108 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.

How do I fix CVE-2021-30108?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-30108?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST