The Mozilla Updater in Mozilla Firefox before 21.0 on Windows does not properly maintain…
Priority LOW 30CWE-264Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
The Mozilla Updater in Mozilla Firefox before 21.0 on Windows does not properly maintain Mozilla Maintenance Service registry entries in certain situations involving upgrades from older Firefox versions, which allows local users to gain privileges by leveraging write access to a "trusted path."
Why it matters now
EPSS 0.00258 17th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | up to 20.0.1 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:19.0:*:*:*:*:*:*:* | 19.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:19.0.1:*:*:*:*:*:*:* | 19.0.1 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:19.0.2:*:*:*:*:*:*:* | 19.0.2 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:20.0:*:*:*:*:*:*:* | 20.0 | Vulnerable | Mozilla |
| cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions up to 20.0.1 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:19.0:*:*:*:*:*:*:* Versions 19.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:19.0.1:*:*:*:*:*:*:* Versions 19.0.1 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:19.0.2:*:*:*:*:*:*:* Versions 19.0.2 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:20.0:*:*:*:*:*:*:* Versions 20.0 Vulnerable ·Mozilla
- cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2013-1673
- 2026-10-03 Alias added: GHSA-85p8-hpwj-pgv8
References
More Mozilla Firefox vulnerabilities
- TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
- TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
- TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
- TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
- TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2013-1673 · CVE Program
- CVE-2013-1673 · NVD
- FIRST EPSS
- GHSA-85p8-hpwj-pgv8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences