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TI-2020-14066 Aliases CVE-2020-21489GHSA-6vf2-mfmr-qqqw

File Upload vulnerability in Feehicms v.2.0.8 allows a remote attacker to execute…

Priority MEDIUM 52CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-434.

Summary

File Upload vulnerability in Feehicms v.2.0.8 allows a remote attacker to execute arbitrary code via the /admin/index.php?r=admin-user%2Fupdate-self component.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01314 70th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed feehi/cms (Packagist): 2.0.8.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—feehi/cms (Packagist)before 2.0.8.12.0.8.1Patch availableGHSA-6vf2-mfmr-qqqw
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • feehi/cms (Packagist) Vendor— Affected before 2.0.8.1 Fixed in 2.0.8.1 Patch available GHSA-6vf2-mfmr-qqqw

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:feehi:feehicms:2.0.8:*:*:*:*:*:*:*2.0.8VulnerableFeehi
  • cpe:2.3:a:feehi:feehicms:2.0.8:*:*:*:*:*:*:* Versions 2.0.8 Vulnerable ·Feehi

Remediation

  • Fix · GHSA-6vf2-mfmr-qqqw feehi/cms (Packagist) Fixed in 2.0.8.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-21489
  2. 2026-10-03 Alias added: GHSA-6vf2-mfmr-qqqw

References

Exploit 1

Advisory 1

Other 2

  • TI-2025-40416 FeehiCMS version 2.1.1 has a Remote Code Execution via Unrestricted File Upload in Ad… CVSS 3.1MEDIUM 6.5
  • TI-2025-13939 FeehiCMS TimThumb timthumb.php server-side request forgery CVSS 4.0MEDIUM 6.9
  • TI-2020-18805 Cross Site Scripting (XSS) vulnerability in FeehiCMS 2.0.8 allows remote attackers to run… CVSS 3.1MEDIUM 6.1
  • TI-2025-39351 FeehiCMS version 2.1.1 fails to enforce server-side immutability for parameters that are… CVSS 3.1MEDIUM 6.5
  • TI-2025-39349 Cross Site Scripting (XSS) vulnerability in FeehiCMS 2.1.1 via the id parameter of the… CVSS 3.1MEDIUM 6.1
  • TI-2022-21148 FeehiCMS v2.1.1 was discovered to contain a reflected cross-site scripting (XSS)… CVSS 3.1MEDIUM 6.1
See all 23 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences