CVE-2014-0139

Curl vulnerability

CVSS

5.8

EPSS

4.9%

EPSS pct

91th

Exploited

No known

cURL and libcurl 7.1 before 7.36.0, when using the OpenSSL, axtls, qsossl or gskit libraries for TLS, recognize a wildcard IP address in the subject's Common Name (CN) field of an X.509 certificate, which might allow man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.

Affected vendor

Haxx

Affected product

Curl

CVSS vector

AV:N/AC:M/Au:N/C:P/I:P/A:N

Weakness type (CWE)

CWE-310

Published

2014-04-15

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity.

Its EPSS score of 4.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2014-0139

Confirm whether Haxx Curl is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2014-0139.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2014-0139

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2014-0139 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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