SARA / Free Tools / CVE / CVE-2018-6342

CVE-2018-6342 — react-dev-utils on Windows allows developers to run a local webserver for accept

react-dev-utils on Windows allows developers to run a local webserver for accepting various commands, including a command to launch an editor. The input to that command was not properly sanitized, allowing an attacker who can make a network request to the server (either via CSRF

CVSS
— —
EPSS
0.79% (top 26.30%)
CWE
CWE-78
Published
2018-12-31T22:00:00.000Z
Last modified
2025-05-06T16:07:37.832Z
CVSS vector
—

01What is this vulnerability?

react-dev-utils on Windows allows developers to run a local webserver for accepting various commands, including a command to launch an editor. The input to that command was not properly sanitized, allowing an attacker who can make a network request to the server (either via CSRF or by direct request) to execute arbitrary commands on the targeted system. This issue affects multiple branches: 1.x.x…

02Affected products

VendorProductVersions
Facebookreactdev-utils — 5.0.2, 5.0.0, 4.2.2, 4.0.0, 3.1.2, 3.0.0, 2.0.2, 2.0.0, 1.0.4, 1.0.0, unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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