IPython Notebook 0.12 through 1.x before 1.2 does not validate the origin of websocket requests, which allows remote attackers to execute arbitrary code by leveraging knowledge of the kernel id and a crafted page.
CVE-2014-3429
- No confirmed exploitation signals yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EG Risk
- 0EG Risk 0/100
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. It is distinct from the 0–10 EG Score, which measures severity.
- EPSS
- 90.8%
- KEV
- Not listed
Published
August 7, 2014
Last Modified
May 6, 2026
References (18)
- cve@mitrehttp://advisories.mageia.org/MGASA-2014-0320.html
- cve@mitrehttp://lambdaops.com/cross-origin-websocket-hijacking-of-ipython
- cve@mitrehttp://lists.opensuse.org/opensuse-updates/2014-08/msg00039.html
- cve@mitrehttp://permalink.gmane.org/gmane.comp.python.ipython.devel/13198
- cve@mitrehttp://seclists.org/oss-sec/2014/q3/152
- cve@mitrehttp://www.mandriva.com/security/advisories?name=MDVSA-2015:160
- cve@mitrehttps://bugzilla.redhat.com/show_bug.cgi?id=1119890
- cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/94497
- cve@mitrehttps://github.com/ipython/ipython/pull/4845
- af854a3a-2127-422b-91ae-364da2661108http://advisories.mageia.org/MGASA-2014-0320.html
- af854a3a-2127-422b-91ae-364da2661108http://lambdaops.com/cross-origin-websocket-hijacking-of-ipython
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2014-08/msg00039.html
- af854a3a-2127-422b-91ae-364da2661108http://permalink.gmane.org/gmane.comp.python.ipython.devel/13198
- af854a3a-2127-422b-91ae-364da2661108http://seclists.org/oss-sec/2014/q3/152
- af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDVSA-2015:160
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| ipython | 0.12 ... 1.1.0 (7 versions) | 1.2.0 | — |
Data Freshness Timeline
(refreshed 13× in last 7d / 43× 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.
- 2026-07-23 01:12 UTCEG score recompute
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- 2026-05-28 17:43 UTCEG score recompute
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Frequently asked(4)
What is CVE-2014-3429?
When was CVE-2014-3429 disclosed?
Is CVE-2014-3429 actively exploited?
How do I remediate CVE-2014-3429?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2014-3429
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