CVE-2025-4947

MEDIUM

6.5

Description

libcurl accidentally skips the certificate verification for QUIC connections when connecting to a host specified as an IP address in the URL. Therefore, it does not detect impostors or man-in-the-middle attacks.

CVE Details

CVSS v3.1 Score6.5

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/28/2025

Last Modified6/26/2025

Sourcenvd

Honeypot Sightings0

Affected Products

haxx:curl

Weaknesses (CWE)

CWE-295

References

https://curl.se/docs/CVE-2025-4947.html(2499f714-1537-4658-8207-48ae4bb9eae9)

https://curl.se/docs/CVE-2025-4947.json(2499f714-1537-4658-8207-48ae4bb9eae9)

https://hackerone.com/reports/3150884(2499f714-1537-4658-8207-48ae4bb9eae9)

http://www.openwall.com/lists/oss-security/2025/05/28/4(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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