Mozilla: Arbitrary file manipulation by local user through Mozilla updater (MFSA 2015-100)
Published Sep 24, 2015
6.6
MEDIUMCVSS 2.0
EPSS 0.29%
Description
updater.exe in Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 on Windows allows local users to write to arbitrary files by conducting a junction attack and waiting for an update operation by the Mozilla Maintenance Service.
Affected products
No data.
Configuration 1
No data.
Red Hat Enterprise Linux 5
firefox
Not affected
Red Hat Enterprise Linux 5
thunderbird
Not affected
Red Hat Enterprise Linux 6
firefox
Not affected
Red Hat Enterprise Linux 6
thunderbird
Not affected
Red Hat Enterprise Linux 7
firefox
Not affected
Red Hat Enterprise Linux 7
thunderbird
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 5 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 6 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 6 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 7 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 7 | thunderbird | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:N/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.29% (0.00294) | 19.85th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.29% (0.00294) | 20.83th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.10% (0.00105) | 26.21th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
References (12)
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00000.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00003.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00005.html vendor-advisoryx_refsource_SUSE
- http://www.mozilla.org/security/announce/2015/mfsa2015-100.html x_refsource_CONFIRMVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html x_refsource_CONFIRM
- http://www.securitytracker.com/id/1033640 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2015-4505 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1177861 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1265610 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2015-4505
- https://www.cve.org/CVERecord?id=CVE-2015-4505
- https://www.mozilla.org/en-US/security/advisories/mfsa2015-100/
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00000.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00003.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00005.html | vendor-advisoryx_refsource_SUSE | |
| http://www.mozilla.org/security/announce/2015/mfsa2015-100.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html | x_refsource_CONFIRM | |
| http://www.securitytracker.com/id/1033640 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/security/cve/CVE-2015-4505 | Vendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1177861 | x_refsource_CONFIRM | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1265610 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-4505 | ||
| https://www.cve.org/CVERecord?id=CVE-2015-4505 | ||
| https://www.mozilla.org/en-US/security/advisories/mfsa2015-100/ |
Change history (0)
No recorded changes yet.