CVE-2021-43528
CVSS V2 Medium 4.3
CVSS V3 Medium 6.5
Description
Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.
Overview
- CVE ID
- CVE-2021-43528
- Assigner
- security@mozilla.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-12-08T22:15:09
- Last Modified Date
- 2022-12-09T15:30:05
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | 1 | OR | 91.4.0 | |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1742579 | Broken Link Issue Tracking Permissions Required Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html | Mailing List Third Party Advisory |
| https://security.gentoo.org/glsa/202208-14 | |
| https://www.debian.org/security/2022/dsa-5034 | Issue Tracking Third Party Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-54/ | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-43528 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43528 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 15:45:28 | Added to TrackCVE | |||
| 2022-12-06 03:25:15 | 2021-12-08T22:15Z | 2021-12-08T22:15:09 | CVE Published Date | updated |
| 2022-12-06 03:25:15 | 2022-08-10T20:15:22 | CVE Modified Date | updated | |
| 2022-12-06 03:25:15 | Undergoing Analysis | Vulnerability Status | updated | |
| 2022-12-06 03:25:20 | References | updated | ||
| 2022-12-09 16:13:18 | 2022-12-09T15:30:05 | CVE Modified Date | updated | |
| 2022-12-09 16:13:18 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |