MEDIUM
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
Published Feb 27, 2014
4.3
MEDIUMCVSS 2.0
EPSS 2.86%
Description
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.86% 0.02862
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02862
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (49 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.86% (0.02862) | 86.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.86% (0.02862) | 84.89th | v5 (v2026.06.15) |
| May 10, 2026 | 3.07% (0.03073) | 86.85th | v4 (v2025.03.14) |
| Mar 4, 2026 | 5.85% (0.05846) | 90.38th | v4 (v2025.03.14) |
| Mar 1, 2026 | 1.15% (0.01148) | 78.31th | v4 (v2025.03.14) |
| Feb 4, 2026 | 5.85% (0.05846) | 90.32th | v4 (v2025.03.14) |
| Feb 1, 2026 | 1.15% (0.01148) | 78.18th | v4 (v2025.03.14) |
| Jan 4, 2026 | 5.85% (0.05846) | 90.25th | v4 (v2025.03.14) |
| Jan 1, 2026 | 1.15% (0.01148) | 78.12th | v4 (v2025.03.14) |
| Dec 4, 2025 | 5.85% (0.05846) | 90.19th | v4 (v2025.03.14) |
| Dec 1, 2025 | 1.15% (0.01148) | 77.96th | v4 (v2025.03.14) |
| Nov 4, 2025 | 5.85% (0.05846) | 90.13th | v4 (v2025.03.14) |
| Nov 1, 2025 | 1.15% (0.01148) | 77.91th | v4 (v2025.03.14) |
| Oct 4, 2025 | 5.85% (0.05846) | 90.16th | v4 (v2025.03.14) |
| Oct 1, 2025 | 1.15% (0.01148) | 77.84th | v4 (v2025.03.14) |
| Sep 5, 2025 | 5.85% (0.05846) | 90.21th | v4 (v2025.03.14) |
| Sep 1, 2025 | 1.15% (0.01148) | 77.74th | v4 (v2025.03.14) |
| Aug 4, 2025 | 5.85% (0.05846) | 90.20th | v4 (v2025.03.14) |
| Aug 1, 2025 | 1.15% (0.01148) | 77.70th | v4 (v2025.03.14) |
| Jul 4, 2025 | 5.85% (0.05846) | 90.12th | v4 (v2025.03.14) |
| Jul 1, 2025 | 1.15% (0.01148) | 77.60th | v4 (v2025.03.14) |
| Jun 4, 2025 | 5.85% (0.05846) | 90.07th | v4 (v2025.03.14) |
| Jun 1, 2025 | 1.15% (0.01148) | 77.52th | v4 (v2025.03.14) |
| May 5, 2025 | 5.85% (0.05846) | 90.01th | v4 (v2025.03.14) |
| May 1, 2025 | 1.15% (0.01148) | 77.39th | v4 (v2025.03.14) |
| Apr 17, 2025 | 5.85% (0.05846) | 90.01th | v4 (v2025.03.14) |
| Apr 15, 2025 | 1.15% (0.01148) | 77.26th | v4 (v2025.03.14) |
| Apr 12, 2025 | 5.85% (0.05846) | 89.68th | v4 (v2025.03.14) |
| Apr 11, 2025 | 1.15% (0.01148) | 76.67th | v4 (v2025.03.14) |
| Apr 8, 2025 | 5.85% (0.05846) | 89.65th | v4 (v2025.03.14) |
| Apr 7, 2025 | 1.15% (0.01148) | 76.64th | v4 (v2025.03.14) |
| Apr 3, 2025 | 5.85% (0.05846) | 89.63th | v4 (v2025.03.14) |
| Apr 2, 2025 | 1.15% (0.01148) | 76.62th | v4 (v2025.03.14) |
| Mar 31, 2025 | 5.85% (0.05846) | 89.60th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.15% (0.01148) | 76.54th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.36% (0.09363) | 87.83th | v4 (v2025.03.14) |
| Mar 27, 2025 | 5.85% (0.05846) | 89.17th | v4 (v2025.03.14) |
| Mar 25, 2025 | 1.15% (0.01148) | 76.44th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.85% (0.05846) | 89.86th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.31% (0.00309) | 70.85th | v3 (v2023.03.01) |
| Feb 26, 2024 | 0.31% (0.00309) | 69.27th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.34% (0.00344) | 70.80th | v3 (v2023.03.01) |
| Oct 9, 2023 | 0.34% (0.00344) | 68.26th | v3 (v2023.03.01) |
| Mar 23, 2023 | 0.25% (0.00253) | 61.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.32% (0.00321) | 65.92th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.54% (0.01537) | 74.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
Weaknesses (1)
References (11)
- http://curl.haxx.se/docs/adv_20140326C.html x_refsource_CONFIRM
- http://secunia.com/advisories/57836 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/57966 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/57968 third-party-advisoryx_refsource_SECUNIA
- http://support.apple.com/kb/HT6150 x_refsource_CONFIRMVendor Advisory
- http://twitter.com/agl__/statuses/437029812046422016 x_refsource_MISC
- http://twitter.com/okoeroo/statuses/437272014043496449 x_refsource_MISCExploit
- http://www.getchef.com/blog/2014/04/09/chef-server-11-0-12-release/ x_refsource_CONFIRM
- http://www.getchef.com/blog/2014/04/09/enterprise-chef-1-4-9-release/ x_refsource_CONFIRM
- http://www.getchef.com/blog/2014/04/09/enterprise-chef-11-1-3-release/ x_refsource_CONFIRM
- https://gist.github.com/rmoriz/fb2b0a6a0ce10550ab73 x_refsource_MISCExploit
| Link | Providers | Tags |
|---|---|---|
| http://curl.haxx.se/docs/adv_20140326C.html | x_refsource_CONFIRM | |
| http://secunia.com/advisories/57836 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/57966 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/57968 | third-party-advisoryx_refsource_SECUNIA | |
| http://support.apple.com/kb/HT6150 | x_refsource_CONFIRMVendor Advisory | |
| http://twitter.com/agl__/statuses/437029812046422016 | x_refsource_MISC | |
| http://twitter.com/okoeroo/statuses/437272014043496449 | x_refsource_MISCExploit | |
| http://www.getchef.com/blog/2014/04/09/chef-server-11-0-12-release/ | x_refsource_CONFIRM | |
| http://www.getchef.com/blog/2014/04/09/enterprise-chef-1-4-9-release/ | x_refsource_CONFIRM | |
| http://www.getchef.com/blog/2014/04/09/enterprise-chef-11-1-3-release/ | x_refsource_CONFIRM | |
| https://gist.github.com/rmoriz/fb2b0a6a0ce10550ab73 | x_refsource_MISCExploit |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner apple
Published Feb 27, 2014
Updated Aug 6, 2024
Reserved Jan 8, 2014
Link CVE-2014-1263
CISA Vulnrichment
Updated n/a