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Vulnerability record · CVE-2015-5961 · published 8 August 2015

CVE-2015-5961: Mozilla firefox os permissions and access controls vulnerability

Mozilla · Firefox Os

The COPPA error page in the Accounts setup dialog in Mozilla Firefox OS before 2.2 embeds content from an external web server URL into the System process, which allows man-in-the-middle attackers to bypass intended access restrictions by spoofing that server.

3.3 CVSS 2.0 Low EPSS 0.38% · top 70.9% CWE-264 · Permissions and access controls
3.3CVSS 2.0 base score
0.38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

The COPPA error page in the Accounts setup dialog in Mozilla Firefox OS before 2.2 embeds content from an external web server URL into the System process, which allows man-in-the-middle attackers to bypass intended access restrictions by spoofing that server.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.mozilla.org/security/announce/2015/mfsa2015-75.html
http://www.securityfocus.com/bid/76255
https://bugzilla.mozilla.org/show_bug.cgi?id=1123433 Vendor Advisory
http://www.mozilla.org/security/announce/2015/mfsa2015-75.html
http://www.securityfocus.com/bid/76255
https://bugzilla.mozilla.org/show_bug.cgi?id=1123433 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2015-5961), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.