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CVE-2022-25921

32
FAUCET Score

CVE-2022-25921 is a critical arbitrary code execution vulnerability affecting all versions of the 'morgan-json' package. It stems from a lack of input sanitization, allowing malicious input to be passed to the Function constructor. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While there are no known active exploits, public exploit code, or Metasploit/Nuclei modules, the vulnerability has garnered significant community discussion, indicating awareness and potential future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:morgan-json_project:morgan-json:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.10%
Probability of exploitation in next 30 days
EPSS Percentile
62.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0110 is in the 48th percentile among its peer group of 36,897 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

Vendor Advisories (1)

npmGHSA-fwv4-6mxc-x5h3critical

morgan-json vulnerable to Arbitrary Code Execution

Aug 29, 2022

References

github.com / indexzero/morgan-json/blob/3a76010215a4256d41687d082cd66c4f00ea5717/index.js%23L46
Broken Link
security.snyk.io / vuln/SNYK-JS-MORGANJSON-2976193
ExploitThird Party Advisory