CVE-2021-42324
CVSS V2 High 7.2
CVSS V3 High 7.4
Description
An issue was discovered on DCN (Digital China Networks) S4600-10P-SI devices before R0241.0470. Due to improper parameter validation in the console interface, it is possible for a low-privileged authenticated attacker to escape the sandbox environment and execute system commands as root via shell metacharacters in the capture command parameters. Command output will be shown on the Serial interface of the device. Exploitation requires both credentials and physical access.
Overview
- CVE ID
- CVE-2021-42324
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2022-04-05T02:15:06
- Last Modified Date
- 2022-07-12T17:42:04
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:dcnglobal:s4600-10p-si_firmware:*:*:*:*:*:*:*:* | 1 | OR | r0241.0370 | r0241.0470 |
| cpe:2.3:h:dcnglobal:s4600-10p-si:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:C/I:C/A:C
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 7.2
- Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Attack Vector
- PHYSICAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.4
- Base Severity
- HIGH
- Exploitability Score
- 0.7
- Impact Score
- 6
References
| Reference URL | Reference Tags |
|---|---|
| https://www.dcneurope.eu/products/switches/s4600-10p-si | Broken Link |
| https://exatel.pl/cve-2021-42324-metacharacter-injection-w-przelacznikach-dcn-s4600-10p-si/ | Exploit Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-42324 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42324 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 15:43:13 | Added to TrackCVE | |||
| 2022-12-06 14:15:59 | 2022-04-05T02:15Z | 2022-04-05T02:15:06 | CVE Published Date | updated |
| 2022-12-06 14:15:59 | 2022-07-12T17:42:04 | CVE Modified Date | updated | |
| 2022-12-06 14:15:59 | Analyzed | Vulnerability Status | updated |