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CVE-2024-5690
By monitoring the time certain operations take, an attacker could have guessed which external protocol handlers were functional on a…
Medium4.3EPSS 0.74%
- Published
- Updated
- Reserved
- Assigned by
- mozilla
Description
By monitoring the time certain operations take, an attacker could have guessed which external protocol handlers were functional on a user's system. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
| NVDNVD · Modified | 3.1 | Medium4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.74% · top 45% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
- External protocol handlers leaked by timing attack
- CWE-203 Observable Discrepancy (opens in a new tab)All about CWE-203 and its CVEs
Affected products
- affected unspecified – < 127
- affected unspecified – < 115.12
- affected unspecified – < 115.12
References (6)
- https://bugzilla.mozilla.org/show_bug.cgi?id=1883693 (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2024/06/msg00000.html (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2024/06/msg00010.html (opens in a new tab)x_transferred
- https://www.mozilla.org/security/advisories/mfsa2024-25/ (opens in a new tab)x_transferred
- https://www.mozilla.org/security/advisories/mfsa2024-26/ (opens in a new tab)x_transferred
- https://www.mozilla.org/security/advisories/mfsa2024-28/ (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-2024-5690)Record last updated .