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CVE-2023-4580
Push notifications saved to disk unencrypted
Medium6.5EPSS 0.42%
- Published
- Updated
- Reserved
- Assigned by
- mozilla
Description
Push notifications stored on disk in private browsing mode were not being encrypted potentially allowing the leak of sensitive information. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.42% · top 63% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
- affected unspecified – < 117
- affected unspecified – < 115.2
- affected unspecified – < 115.2
References (4)
- https://bugzilla.mozilla.org/show_bug.cgi?id=1843046 (opens in a new tab)x_transferred
- https://www.mozilla.org/security/advisories/mfsa2023-34/ (opens in a new tab)x_transferred
- https://www.mozilla.org/security/advisories/mfsa2023-36/ (opens in a new tab)x_transferred
- https://www.mozilla.org/security/advisories/mfsa2023-38/ (opens in a new tab)x_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://trackcve.app/cve/CVE-2023-4580)Record last updated .