CVE-2021-3499
CVSS V2 Medium 6.8
CVSS V3 Medium 5.6
Description
A vulnerability was found in OVN Kubernetes in versions up to and including 0.3.0 where the Egress Firewall does not reliably apply firewall rules when there is multiple DNS rules. It could lead to potentially lose of confidentiality, integrity or availability of a service.
Overview
- CVE ID
- CVE-2021-3499
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Modified
- Published Version
- 2021-06-02T16:15:10
- Last Modified Date
- 2023-02-12T23:41:11
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:ovn:ovn-kubernetes:*:*:*:*:*:*:*:* | 1 | OR | 0.3.0 |
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:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- LOW
- Base Score
- 5.6
- Base Severity
- MEDIUM
- Exploitability Score
- 2.2
- Impact Score
- 3.4
References
| Reference URL | Reference Tags |
|---|---|
| https://access.redhat.com/errata/RHBA-2021:1550 | |
| https://access.redhat.com/security/cve/CVE-2021-3499 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1949188 | Issue Tracking Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-3499 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3499 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:11:28 | Added to TrackCVE | |||
| 2022-12-05 03:27:20 | 2021-06-02T16:15Z | 2021-06-02T16:15:10 | CVE Published Date | updated |
| 2022-12-05 03:27:20 | 2022-10-27T12:32:52 | CVE Modified Date | updated | |
| 2022-12-05 03:27:20 | Analyzed | Vulnerability Status | updated | |
| 2023-02-02 23:12:00 | 2023-02-02T21:21:01 | CVE Modified Date | updated | |
| 2023-02-02 23:12:00 | Analyzed | Modified | Vulnerability Status | updated |
| 2023-02-02 23:12:00 | A vulnerability was found in OVN Kubernetes in versions up to and including 0.3.0 where the Egress Firewall does not reliably apply firewall rules when there is multiple DNS rules. It could lead to potentially lose of confidentiality, integrity or availability of a service. | A vulnerability was found in OVN Kubernetes where the Egress Firewall does not reliably apply firewall rules when there is multiple dns rules. It could lead to potentially lose of confidentiality, integrity or availability of a service. | Description | updated |
| 2023-02-02 23:12:01 | References | updated | ||
| 2023-02-13 00:12:39 | 2023-02-12T23:41:11 | CVE Modified Date | updated | |
| 2023-02-13 00:12:40 | A vulnerability was found in OVN Kubernetes where the Egress Firewall does not reliably apply firewall rules when there is multiple dns rules. It could lead to potentially lose of confidentiality, integrity or availability of a service. | A vulnerability was found in OVN Kubernetes in versions up to and including 0.3.0 where the Egress Firewall does not reliably apply firewall rules when there is multiple DNS rules. It could lead to potentially lose of confidentiality, integrity or availability of a service. | Description | updated |