CVE-2021-29969
CVSS V2 Medium 4.3
CVSS V3 Medium 5.9
Description
If Thunderbird was configured to use STARTTLS for an IMAP connection, and an attacker injected IMAP server responses prior to the completion of the STARTTLS handshake, then Thunderbird didn't ignore the injected data. This could have resulted in Thunderbird showing incorrect information, for example the attacker could have tricked Thunderbird to show folders that didn't exist on the IMAP server. This vulnerability affects Thunderbird < 78.12.
Overview
- CVE ID
- CVE-2021-29969
- Assigner
- security@mozilla.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-08-05T20:15:08
- Last Modified Date
- 2022-12-09T19:03:59
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | 1 | OR | 78.12 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- 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:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 5.9
- Base Severity
- MEDIUM
- Exploitability Score
- 2.2
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1682370 | Permissions Required Vendor Advisory |
| https://security.gentoo.org/glsa/202208-14 | |
| https://www.mozilla.org/security/advisories/mfsa2021-30/ | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-29969 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29969 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:57:32 | Added to TrackCVE | |||
| 2022-12-05 07:28:35 | 2021-08-05T20:15Z | 2021-08-05T20:15:08 | CVE Published Date | updated |
| 2022-12-05 07:28:35 | 2022-08-10T20:15:19 | CVE Modified Date | updated | |
| 2022-12-05 07:28:35 | Undergoing Analysis | Vulnerability Status | updated | |
| 2022-12-05 07:28:39 | References | updated | ||
| 2022-12-09 19:14:00 | 2022-12-09T19:03:59 | CVE Modified Date | updated | |
| 2022-12-09 19:14:00 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |