CVE-2020-15668
Summary
| CVE | CVE-2020-15668 |
|---|---|
| State | PUBLISHED |
| Assigner | mozilla |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2020-10-01 19:15:13 UTC |
| Updated | 2026-08-19 15:29:21 UTC |
| Description | A lock was missing when accessing a data structure and importing certificate information into the trust database. This vulnerability affects Firefox < 80 and Firefox for Android < 80. |
Risk And Classification
Primary CVSS: v3.1 4.3 MEDIUM from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS: 0.005350000 probability, percentile 0.428570000 (date 2026-08-19)
Problem Types: CWE-667 | Data Race when reading certificate information
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 4.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
| 2.0 | [email protected] | Primary | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
LowIntegrity
NoneAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
PartialIntegrity
NoneAvailability
NoneAV:N/AC:M/Au:N/C:P/I:N/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Mozilla | Firefox | All | All | All | All |
| Application | Mozilla | Firefox Mobile | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Mozilla | Firefox | affected unspecified 80 custom | Not specified |
| CNA | Mozilla | Firefox For Android | affected unspecified 80 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Security Vulnerabilities fixed in Firefox 80 — Mozilla | af854a3a-2127-422b-91ae-364da2661108 | www.mozilla.org | Release Notes, Vendor Advisory |
| Security Vulnerabilities fixed in Firefox for Android 80 — Mozilla | af854a3a-2127-422b-91ae-364da2661108 | www.mozilla.org | Release Notes, Vendor Advisory |
| Access Denied | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.mozilla.org | Issue Tracking, Permissions Required, Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.