CVE-2015-4495

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-05-25. Federal remediation due 2022-06-15.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

68.55% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 99.3% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2015-08-08 00:00Z11 YR AGO

Last updated

2025-10-21 23:55Z1 YR AGO

Reserved

2015-06-10

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses

• CWE-346Origin Validation ErrorClass

Data version

5.1

Document digest

6054a41ba170618d3480a2dd20b8ca0b6190dc4fe0dea4414fb7086b689cd89c

• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1179262x_refsource_CONFIRM
• lists.opensuse.orgSUSE-SU-2015:1379http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00009.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgSUSE-SU-2015:1380http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00010.htmlvendor-advisoryx_refsource_SUSE
• www.securityfocus.com76249http://www.securityfocus.com/bid/76249vdb-entryx_refsource_BID
• www.exploit-db.com37772https://www.exploit-db.com/exploits/37772/exploitx_refsource_EXPLOIT-DB
• rhn.redhat.comRHSA-2015:1581http://rhn.redhat.com/errata/RHSA-2015-1581.htmlvendor-advisoryx_refsource_REDHAT
• security.gentoo.orgGLSA-201512-10https://security.gentoo.org/glsa/201512-10vendor-advisoryx_refsource_GENTOO
• lists.opensuse.orgopenSUSE-SU-2015:1389http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.htmlvendor-advisoryx_refsource_SUSE
• www.ubuntu.comUSN-2707-1http://www.ubuntu.com/usn/USN-2707-1vendor-advisoryx_refsource_UBUNTU
• www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlx_refsource_CONFIRM
• lists.opensuse.orgSUSE-SU-2015:1528http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00016.htmlvendor-advisoryx_refsource_SUSE
• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1178058x_refsource_CONFIRM
• blog.mozilla.orghttps://blog.mozilla.org/security/2015/08/06/firefox-exploit-found-in-the-wild/x_refsource_CONFIRM
• www.mozilla.orghttp://www.mozilla.org/security/announce/2015/mfsa2015-78.htmlx_refsource_CONFIRM
• www.securitytracker.com1033216http://www.securitytracker.com/id/1033216vdb-entryx_refsource_SECTRACK
• lists.opensuse.orgSUSE-SU-2015:1449http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2015:1390http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.htmlvendor-advisoryx_refsource_SUSE
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-4495government-resource