CVE-2017-5409
The Mozilla Windows updater can be called by a non-privileged user to delete an arbitrary local file by passing a special path to the…
- Published
- Updated
- Reserved
- Assigned by
- mozilla
Description
The Mozilla Windows updater can be called by a non-privileged user to delete an arbitrary local file by passing a special path to the callback parameter through the Mozilla Maintenance Service, which has privileged access. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR < 45.8 and Firefox < 52.
Timeline
ID reserved
By mozilla
- 17 months later
· 17 months later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.36% · top 71% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
- File deletion via callback parameter in Mozilla Windows Updater and Maintenance Service
- CWE-269 (opens in a new tab)All about CWE-269 and its CVEs
Affected products
- affected unspecified – < 45.8
- affected unspecified – < 52
References (5)
- 96696 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.mozilla.org/security/advisories/mfsa2017-05/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1037966 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://www.mozilla.org/security/advisories/mfsa2017-06/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=1321814 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-5409)Record last updated .