CVE-2015-4505

medium
Published 2015-09-24 · Modified 2026-05-06
CVSS v3
CVSS v2
6.6
VIR risk
6.6

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security@mozilla.org — http://www.mozilla.org/security/announce/2015/mfsa2015-100.html

Application impact

VendorProductVersionsFixed
mozilla mozillafirefox38.0
mozilla mozillafirefox38.0.1
mozilla mozillafirefox38.0.5
mozilla mozillafirefox38.1.0
mozilla mozillafirefox38.1.1
mozilla mozillafirefox38.2.0
mozilla mozillafirefox38.2.1
mozilla mozillafirefox{"endIncluding":"40.0.3"}

References

CWEs

CWE-264

Verify integrity in audit chain (admin only). AS-IS.