CVE-2025-4947

medium

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.

References

https://hackerone.com/reports/3150884

https://curl.se/docs/CVE-2025-4947.json

https://curl.se/docs/CVE-2025-4947.html

http://www.openwall.com/lists/oss-security/2025/05/28/4

Details

Source: Mitre, NVD

Published: 2025-05-28

Updated: 2025-05-28

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N