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CVE-2020-21322

30
FAUCET Score

CVE-2020-21322 is an arbitrary file upload vulnerability affecting Feehi CMS v2.0.8 and earlier versions, allowing attackers to execute arbitrary code. This critical vulnerability has a CVSS score of 9.8, indicating it can be exploited remotely with low complexity and no user interaction, leading to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is currently no evidence of active exploitation, no public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.0.8CPE matchmatch criteria
cpe:2.3:a:feehi:feehicms:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.78%
Probability of exploitation in next 30 days
EPSS Percentile
75.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0178 is in the 64th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

composerpatch availablevia ghsa
Product: feehi/cmsFixed in: 2.0.8.1

Vendor Advisories (1)

composerGHSA-rf3w-29h3-r636high

Arbitrary Code Execution in feehi/cms

Sep 20, 2021

References

github.com / liufee/cms/issues/44
ExploitIssue TrackingThird Party Advisory