CVE-2014-1263
curl and libcurl 7.27.0 through 7.35.0, when using the SecureTransport/Darwinssl backend, as used in in Apple OS X 10.9.x before 10.9.2, 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.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:P/I:N/A:N- Weakness (CWE)
- CWE-310
- EPSS score
- 2.9% (87th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2014-1341)
- Published
- February 27, 2014
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2014-1341 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- apple / mac os x
- apple / mac os x
Certified products that may be affected
2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Apple Mac OS X 10.6 - Apple Inc. - Common Criteria BSI-DSZ-CC-0536-2010 - archived
- Apple Mac OS X v10.3.6 and Apple Mac OS X Server V10.3.6 - Apple Inc. - Common Criteria CCEVS-VR-0086-2005 - archived
References
- http://curl.haxx.se/docs/adv_20140326C.html
- http://secunia.com/advisories/57836
- http://secunia.com/advisories/57966
- http://secunia.com/advisories/57968
- http://support.apple.com/kb/HT6150(Vendor Advisory)
- http://twitter.com/agl__/statuses/437029812046422016
- http://twitter.com/okoeroo/statuses/437272014043496449(Exploit)
- http://www.getchef.com/blog/2014/04/09/chef-server-11-0-12-release/
- http://www.getchef.com/blog/2014/04/09/enterprise-chef-1-4-9-release/
- http://www.getchef.com/blog/2014/04/09/enterprise-chef-11-1-3-release/
- https://gist.github.com/rmoriz/fb2b0a6a0ce10550ab73(Exploit)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain