CVE-2021-20143
CVSS V2 High 8.3
CVSS V3 High 8.8
Description
An unauthenticated command injection vulnerability exists in the parameters of operation 48 in the controller_server service on Gryphon Tower routers. An unauthenticated remote attacker on the same network can execute commands as root on the device by sending a specially crafted malicious packet to the controller_server service on port 9999.
Overview
- CVE ID
- CVE-2021-20143
- Assigner
- vulnreport@tenable.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-12-09T16:15:08
- Last Modified Date
- 2021-12-13T18:15:30
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:gryphonconnect:gryphon_tower_firmware:*:*:*:*:*:*:*:* | 1 | OR | 04.0004.12 | |
| cpe:2.3:h:gryphonconnect:gryphon_tower:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:A/AC:L/Au:N/C:C/I:C/A:C
- Access Vector
- ADJACENT_NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 8.3
- Severity
- HIGH
- Exploitability Score
- 6.5
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- ADJACENT_NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- 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://www.tenable.com/security/research/tra-2021-51 | Exploit Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20143 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20143 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:41:32 | Added to TrackCVE | |||
| 2022-12-06 03:28:23 | 2021-12-09T16:15Z | 2021-12-09T16:15:08 | CVE Published Date | updated |
| 2022-12-06 03:28:24 | 2021-12-13T18:15:30 | CVE Modified Date | updated | |
| 2022-12-06 03:28:24 | Analyzed | Vulnerability Status | updated |