Vulnerability Report

CVE-2025-4947

Title: Haxx Curl

Other

Proof Of Concept

No public PoC currently indexed for CVE-2025-4947.

CWE Category CWE-295

Published Date May 28, 2025

Modified Date Jun 26, 2025

Exploit Status Not Found

Score 6.5 CVSS v3.1

Exploit Probability (EPSS)

0.25%

Vulnerability Summary

CVE-2025-4947: 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.

Impacted Vendors

haxx 1

daniel_stenberg 1

Reference Links

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

CVSS v3.1

Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0

Severity MEDIUM

6.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-4947 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 26, 2025 MODIFIED

Vulnerability data or affected products updated.

June 26, 2025 MODIFIED

Vulnerability data updated via NVD.

May 28, 2025 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.