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CVE-2014-2522

curl and libcurl 7.27.0 through 7.35.0, when running on Windows and using the SChannel/Winssl TLS backend, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate when accessing a URL that uses a numerical IP address, which allows man-in-the-middle attackers to spoof servers via an arbitrary valid certificate.

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Severidad

N/A

EPSS

Probabilidad de explotación (próx. 30 días): 0.0029 (0.3%)
Percentil: 52.5%
EPSS: 2026-05-06

Afecta

haxx:curlhaxx:libcurlmicrosoft:windows

Descripción técnica

curl and libcurl 7.27.0 through 7.35.0, when running on Windows and using the SChannel/Winssl TLS backend, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate when accessing a URL that uses a numerical IP address, which allows man-in-the-middle attackers to spoof servers via an arbitrary valid certificate.

Publicada: 18/4/2014, 22:14:38
Última modificación: 6/5/2026, 22:30:45

Referencias

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