CVE-2025-4947

MEDIUM

Haxx Curl < 8.14.0 - Improper Certificate Validation

Title source: rule
STIX 2.1

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.

Scores

CVSS v3 6.5
EPSS 0.0008
EPSS Percentile 22.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-295
Status published
Products (1)
haxx/curl 8.8.0 - 8.14.0
Published May 28, 2025
Tracked Since Feb 18, 2026