Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2025-4947— QUIC certificate check skip with wolfSSL

Quick assessment

Affected
curl curl
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

libcurl是cURL开源的一个免费且易于使用的客户端 URL 传输库。 libcurl存在安全漏洞，该漏洞源于QUIC连接时跳过证书验证，可能导致中间人攻击。

AI Predicted 5.9 Difficulty: Moderate EPSS 0.29% · P19
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-4947

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
QUIC certificate check skip with wolfSSL
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
libcurl 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libcurl是cURL开源的一个免费且易于使用的客户端 URL 传输库。 libcurl存在安全漏洞，该漏洞源于QUIC连接时跳过证书验证，可能导致中间人攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
curl curl 8.13.0 ~ 8.13.0 -

II. Public POCs for CVE-2025-4947

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-4947

请登录查看更多情报信息。

Vendor Advisories for CVE-2025-4947 (1)

Other References for CVE-2025-4947 (1)

IV. Related Vulnerabilities

Same product: curl
Same vendor: curl

V. Comments for CVE-2025-4947

No comments yet

Leave a comment