CVE-2025-5025

MEDIUM EPSS 15.1%
Published May 28, 20251y ago · Modified Jun 17, 20262w ago
4.8 CVSS 3.1
Medium
Find Similar
Published May 28, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

Description

libcurl supports *pinning* of the server certificate public key for HTTPS transfers. Due to an omission, this check is not performed when connecting with QUIC for HTTP/3, when the TLS backend is wolfSSL. Documentation says the option works with wolfSSL, failing to specify that it does not for QUIC and HTTP/3. Since pinning makes the transfer succeed if the pin is fine, users could unwittingly connect to an impostor server without noticing.

CVSS Details

Base Score
4.8
Exploitability
2.2
Impact
2.5
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
15.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-295

Affected Products 1

VendorProductVersionRange
haxxcurl*≥8.5.0  –  <8.14.0

References 4

  • openwall.com http://www.openwall.com/lists/oss-security/2025/05/28/5
    Mailing ListThird Party Advisory
  • curl.se https://curl.se/docs/CVE-2025-5025.html
    Vendor Advisory
  • curl.se https://curl.se/docs/CVE-2025-5025.json
    Vendor Advisory
  • hackerone.com https://hackerone.com/reports/3153497
    ExploitIssue TrackingThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.