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No exploitation reported

CVE-2021-30108

No exploitation reported by the sources we read.

  • Published2021-05-24
  • WeaknessCWE-918

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2021-05-2420:15CVE publishedNVD

Versions per branch

OSV · NVD
feehi/cms
BranchAffectedFixed in
2.1≤ 2.1.1no fix published
Feehi feehi cms
BranchAffectedFixed in
2.1= 2.1.1no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.19.1read 2026-10-23
  • NVDCVSS 2.06.4read 2026-10-23
  • NVDweakness (CWE)CWE-918read 2026-10-23
  • FIRST EPSSEPSS score1.1 %2026-11-09
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryCRITICAL2021-05-28

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
2021-05-24
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-gc45-j3m5-8qfq

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.

Is CVE-2021-30108 actively exploited?

Active exploitation of CVE-2021-30108 has not been confirmed. Its EPSS score was 1.1% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-30108?

CVE-2021-30108 has a CVSS v3 base score of 9.1 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

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