Is CVE-2015-4483 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 2%.

What products does CVE-2015-4483 affect?

Tracked products affected include Solaris. Check the version you run to see whether it is affected.

How do I fix CVE-2015-4483?

Apply the vendor fix in your normal patch cycle. Upgrade affected products to a fixed version.

CVE-2015-4483

Q: What is CVE-2015-4483?

CVE-2015-4483 is a medium-severity software vulnerability (CWE-264) with a CVSS score of 4.3. Mozilla Firefox before 40.0 allows man-in-the-middle attackers to bypass a mixed-content protection mechanism via a feed: URL in a POST request.

MEDIUM severity · CVSS 4.3 · CWE-264

4.3CVSS MEDIUM

Summary

Mozilla Firefox before 40.0 allows man-in-the-middle attackers to bypass a mixed-content protection mechanism via a feed: URL in a POST request.

Impact & exploitability

Attack vectorNetwork

Attack complexity—

Privileges required—

User interaction—

Confidentiality impactNone

Integrity impact—

Availability impactNone

Exploit probability (EPSS)2%

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

Affected products we track (1)

Solaris

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Additional information

NVD record
http://www.mozilla.org/security/announce/2015/mfsa2015-86.htmlAdvisory
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.htmlAdvisory
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.htmlAdvisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlAdvisory
http://www.securityfocus.com/bid/76510
http://www.securitytracker.com/id/1033247
https://bugzilla.mozilla.org/show_bug.cgi?id=1148732
https://security.gentoo.org/glsa/201605-06