CVE-2025-4947

May 28, 2025, 3:01 p.m.

6.5
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.

Product(s) Impacted

Vendor Product Versions
Curl
  • Libcurl
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a curl libcurl / / / / / / / /

References

https://curl.se/docs/CVE-2025-4947.html
https://curl.se/docs/CVE-2025-4947.json
https://hackerone.com/reports/3150884
http://www.openwall.com/lists/oss-security/2025/05/28/4

Tags

2499f714-1537-4658-8207-48ae4bb9eae9
2025-05-28
CVE-2025-4947

CVSS Score

6.5 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: LOW
  • Integrity Impact: LOW
  • Availability Impact: NONE

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

    View Vector String

Timeline

Published: May 28, 2025, 7:15 a.m.
Last Modified: May 28, 2025, 3:01 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

2499f714-1537-4658-8207-48ae4bb9eae9

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.