CVE-2021-29989
CVSS V2 Medium 6.8
CVSS V3 High 8.8
Description
Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.13, Firefox ESR < 78.13, and Firefox < 91.
Overview
- CVE ID
- CVE-2021-29989
- Assigner
- security@mozilla.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-08-17T20:15:08
- Last Modified Date
- 2022-12-09T19:18:10
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | 1 | OR | 91.0 | |
| cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* | 1 | OR | 78.13.0 | |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | 1 | OR | 78.13.0 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.8
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.mozilla.org/buglist.cgi?bug_id=1662676%2C1666184%2C1719178%2C1719998%2C1720568 | Broken Link Issue Tracking Permissions Required Vendor Advisory |
| https://security.gentoo.org/glsa/202202-03 | Third Party Advisory |
| https://security.gentoo.org/glsa/202208-14 | |
| https://www.mozilla.org/security/advisories/mfsa2021-33/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-34/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-35/ | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-29989 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29989 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-08 06:19:41 | Added to TrackCVE | |||
| 2022-12-05 08:26:21 | 2021-08-17T20:15Z | 2021-08-17T20:15:08 | CVE Published Date | updated |
| 2022-12-05 08:26:21 | 2022-08-10T20:15:19 | CVE Modified Date | updated | |
| 2022-12-05 08:26:21 | Undergoing Analysis | Vulnerability Status | updated | |
| 2022-12-05 08:26:25 | References | updated | ||
| 2022-12-09 20:13:57 | 2022-12-09T19:18:10 | CVE Modified Date | updated | |
| 2022-12-09 20:13:57 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |