CVE-2021-34434
CVSS V2 Medium 5
CVSS V3 Medium 5.3
Description
In Eclipse Mosquitto versions 2.0 to 2.0.11, when using the dynamic security plugin, if the ability for a client to make subscriptions on a topic is revoked when a durable client is offline, then existing subscriptions for that client are not revoked.
Overview
- CVE ID
- CVE-2021-34434
- Assigner
- emo@eclipse.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-08-30T20:15:07
- Last Modified Date
- 2022-10-27T12:48:03
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:* | 1 | OR | 2.0.0 | 2.0.11 |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 5.3
- Base Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 1.4
References
| Reference URL | Reference Tags |
|---|---|
| https://bugs.eclipse.org/bugs/show_bug.cgi?id=575324 | Exploit Issue Tracking Vendor Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K4WWGVF5BUFPYPCFUPPP4KRIYI5OTJN2/ | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RLUUM52Y6AEICPXPSRRXC6OBY4H5XKW7/ | Mailing List Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-34434 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34434 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:41:17 | Added to TrackCVE | |||
| 2022-12-05 09:19:07 | security@eclipse.org | emo@eclipse.org | CVE Assigner | updated |
| 2022-12-05 09:19:07 | 2021-08-30T20:15Z | 2021-08-30T20:15:07 | CVE Published Date | updated |
| 2022-12-05 09:19:07 | 2022-10-27T12:48:03 | CVE Modified Date | updated | |
| 2022-12-05 09:19:07 | Analyzed | Vulnerability Status | updated |