Vulnerability Monitor

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CVE-2015-7215

The importScripts function in the Web Workers API implementation in Mozilla Firefox before 43.0 allows remote attackers to bypass the Same Origin Policy by triggering use of the no-cors mode in the fetch API to attempt resource access that throws an exception, leading to information disclosure after a rethrow.

Security Impact Summary

CVE-2015-7215 is a security vulnerability that . Impacting 4 products from fedoraproject, from opensuse, from opensuse and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-12-16T11:59:13.540

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-200

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	fedoraproject	fedora	22	Yes
Operating System	fedoraproject	fedora	23	Yes
Operating System	opensuse	leap	42.1	Yes
Operating System	opensuse	opensuse	13.1	Yes
Operating System	opensuse	opensuse	13.2	Yes
Application	mozilla	firefox	≤ 42.0	Yes

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174083.html ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174253.html ([email protected])
http://lists.opensuse.org/opensuse-updates/2015-12/msg00104.html ([email protected])
http://lists.opensuse.org/opensuse-updates/2016-02/msg00007.html ([email protected])
http://lists.opensuse.org/opensuse-updates/2016-02/msg00008.html ([email protected])
http://www.mozilla.org/security/announce/2015/mfsa2015-140.html Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/79280 ([email protected])
http://www.securitytracker.com/id/1034426 ([email protected])
http://www.ubuntu.com/usn/USN-2833-1 ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1160890 ([email protected])
https://github.com/whatwg/html/issues/164 ([email protected])
https://github.com/whatwg/html/pull/166 ([email protected])
https://security.gentoo.org/glsa/201512-10 ([email protected])
https://www.w3.org/Bugs/Public/show_bug.cgi?id=28961 Vendor Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174083.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174253.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2015-12/msg00104.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2016-02/msg00007.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2016-02/msg00008.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.mozilla.org/security/announce/2015/mfsa2015-140.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/79280 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1034426 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2833-1 (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.mozilla.org/show_bug.cgi?id=1160890 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/whatwg/html/issues/164 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/whatwg/html/pull/166 (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201512-10 (af854a3a-2127-422b-91ae-364da2661108)
https://www.w3.org/Bugs/Public/show_bug.cgi?id=28961 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For fedoraproject's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.