CVE-2025-4947
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| curl | curl | 8.13.0 <= 8.13.0 | affected |
| curl | curl | 8.12.1 <= 8.12.1 | affected |
| curl | curl | 8.12.0 <= 8.12.0 | affected |
| curl | curl | 8.11.1 <= 8.11.1 | affected |
| curl | curl | 8.11.0 <= 8.11.0 | affected |
| curl | curl | 8.10.1 <= 8.10.1 | affected |
| curl | curl | 8.10.0 <= 8.10.0 | affected |
| curl | curl | 8.9.1 <= 8.9.1 | affected |
| curl | curl | 8.9.0 <= 8.9.0 | affected |
| curl | curl | 8.8.0 <= 8.8.0 | affected |
Weaknesses
- CWE-295 Improper Certificate Validation
ADP Enrichment
CVE Program Container
Additional References
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: partial
References
- https://curl.se/docs/CVE-2025-4947.json
- https://curl.se/docs/CVE-2025-4947.html
- https://hackerone.com/reports/3150884
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