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.
CVE-2014-1263
This CVE was only ever scored under CVSS v2.0. NVD CVSS v2.0 base 4.3 — v2 rates that MEDIUM (v2 bands: LOW 0.0–3.9 / MEDIUM 4.0–6.9 / HIGH 7.0–10.0; v2 has no CRITICAL band). Vector AV:N/AC:M/Au:N/C:P/I:N/A:N. CVSS v2 is an older, coarser metric than v3.1/v4.0 (no Scope, no User Interaction, no Attack Requirements), so it is not directly comparable to a v3 or v4 score. NVD has never re-scored this record under v3. EPSS predicts 2.9% exploitation probability in the next 30 days, which is reflected in EG Risk but does not lift the v2 base. Confidence: LOW.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v2.0 (legacy)
- 4.3MEDIUMNVD never assigned a CVSS v3 rating to this CVE
- EG Score
- 4.3(low)
- EG Risk
- 25(Track)EG Risk 25/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity43% × 45%Exploitation3% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 3%
- EPSS %ILE
- 86%
- KEV
- Not listed
Published
February 27, 2014
Last Modified
April 29, 2026
References (22)
- product-security@applehttp://curl.haxx.se/docs/adv_20140326C.html
- product-security@applehttp://secunia.com/advisories/57836
- product-security@applehttp://secunia.com/advisories/57966
- product-security@applehttp://secunia.com/advisories/57968
- product-security@applehttp://support.apple.com/kb/HT6150
- product-security@applehttp://twitter.com/agl__/statuses/437029812046422016
- product-security@applehttp://twitter.com/okoeroo/statuses/437272014043496449
- product-security@applehttp://www.getchef.com/blog/2014/04/09/chef-server-11-0-12-release/
- product-security@applehttp://www.getchef.com/blog/2014/04/09/enterprise-chef-1-4-9-release/
- product-security@applehttp://www.getchef.com/blog/2014/04/09/enterprise-chef-11-1-3-release/
- product-security@applehttps://gist.github.com/rmoriz/fb2b0a6a0ce10550ab73
- af854a3a-2127-422b-91ae-364da2661108http://curl.haxx.se/docs/adv_20140326C.html
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/57836
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/57966
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/57968
Data Freshness Timeline
(refreshed 6× in last 7d / 18× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 120 total refreshes for this CVE.
- 2026-08-21 23:44 UTCEPSS rescore
- 2026-08-20 22:50 UTCEPSS rescore
- 2026-08-19 16:59 UTCEPSS rescore
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- 2026-07-26 13:50 UTCEG score recompute▲ 4.30
- 2026-07-23 14:14 UTCEPSS rescore
- 2026-07-23 01:12 UTCEG score recompute
- 2026-07-23 00:15 UTCEG score recompute
- 2026-07-22 21:53 UTCEG score recompute
- 2026-07-22 14:04 UTCEPSS rescore
- 2026-07-21 15:21 UTCEPSS rescore
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- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 20:13 UTCEG score recompute
- 2026-05-28 20:13 UTCGHSA enrichment
Frequently asked(4)
What is CVE-2014-1263?
When was CVE-2014-1263 disclosed?
Is CVE-2014-1263 actively exploited?
How do I remediate CVE-2014-1263?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2014-1263
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