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CVE-2025-5025

No QUIC certificate pinning with wolfSSL

Published: May 28, 2025Updated: Jul 30, 2025 Sources: CVE List NVD BDUCWE-295
NVD MITRE
4.8CVSSMEDIUM
EPSS Score
0.2%
Top 85.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-295

Affected Products

curlcurl
Library
OSS Libraries / generic-library
LibcurlDaniel Stenberg
LibraryLibrary
OSS Libraries / generic-library
curlhaxxOSS Libraries
curloss-projectUSOSS Librariesaka libcurl, wcurl
daniel stenbergindividual-devOSS Librariesaka daniel.haxx.se, daniel stenberg (curl author)
haxxoss-projectSEOSS Librariesaka haxx.se

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://curl.se/docs/CVE-2025-5025.json
curl.se
https://curl.se/docs/CVE-2025-5025.html
curl.se
https://hackerone.com/reports/3153497
hackerone.com
and 2 more references View all →

Timeline

Published
May 28, 2025
Last Updated
Jul 30, 2025

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