CVE-2025-4947

QUIC certificate check skip with wolfSSL

At a glance

Severity
MEDIUM 6.5
EPSS
EPSS 0.30 % · percentile 23 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
curl
NVD status
Analyzed

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

VersionScoreVectorScored by
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NCISA-ADP
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Weaknesses (CWE)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
curl · curlaffected 8.13.0 ≤ 8.13.0 ; affected 8.12.1 ≤ 8.12.1 ; affected 8.12.0 ≤ 8.12.0 ; affected 8.11.1 ≤ 8.11.1 ; affected 8.11.0 ≤ 8.11.0 ; affected 8.10.1 ≤ 8.10.1

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD