CVE-2015-4520

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.60% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 85.2% of scored records. A rank, not a probability.

NVD base score

The NVD has published no score for this record

NVD CVSS vector

No NVD score to derive

NVD analysis status

Modified. 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

2015-09-24 01:00Z11 YR AGO

Last updated

2024-08-06 06:18Z2 YR AGO

Reserved

2015-06-10

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-254
• CWE-284Improper Access ControlPillar

Data version

5.1

Document digest

b53055cc3b372bdff859fb78a23c4ddbd5f39877d306d842bc5184683872c670

• www.mozilla.orghttp://www.mozilla.org/security/announce/2015/mfsa2015-111.htmlx_refsource_CONFIRM
• lists.opensuse.orgSUSE-SU-2015:1680http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00004.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgSUSE-SU-2015:2081http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2015:1681http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00005.htmlvendor-advisoryx_refsource_SUSE
• www.ubuntu.comUSN-2754-1http://www.ubuntu.com/usn/USN-2754-1vendor-advisoryx_refsource_UBUNTU
• www.ubuntu.comUSN-2743-4http://www.ubuntu.com/usn/USN-2743-4vendor-advisoryx_refsource_UBUNTU
• www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlx_refsource_CONFIRM
• www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlx_refsource_CONFIRM
• www.ubuntu.comUSN-2743-3http://www.ubuntu.com/usn/USN-2743-3vendor-advisoryx_refsource_UBUNTU
• rhn.redhat.comRHSA-2015:1834http://rhn.redhat.com/errata/RHSA-2015-1834.htmlvendor-advisoryx_refsource_REDHAT
• www.ubuntu.comUSN-2743-2http://www.ubuntu.com/usn/USN-2743-2vendor-advisoryx_refsource_UBUNTU
• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1200856x_refsource_CONFIRM
• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1200869x_refsource_CONFIRM
• www.securitytracker.com1033640http://www.securitytracker.com/id/1033640vdb-entryx_refsource_SECTRACK
• rhn.redhat.comRHSA-2015:1852http://rhn.redhat.com/errata/RHSA-2015-1852.htmlvendor-advisoryx_refsource_REDHAT
• www.debian.orgDSA-3365http://www.debian.org/security/2015/dsa-3365vendor-advisoryx_refsource_DEBIAN
• www.securityfocus.com76816http://www.securityfocus.com/bid/76816vdb-entryx_refsource_BID
• lists.opensuse.orgSUSE-SU-2015:1703http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00007.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2015:1679http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00003.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2015:1658http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00000.htmlvendor-advisoryx_refsource_SUSE
• www.ubuntu.comUSN-2743-1http://www.ubuntu.com/usn/USN-2743-1vendor-advisoryx_refsource_UBUNTU