CVE-2021-1423
CVSS V2 Low 2.1
CVSS V3 Medium 4.4
Description
A vulnerability in the implementation of a CLI command in Cisco Aironet Access Points (AP) could allow an authenticated, local attacker to overwrite files in the flash memory of the device. This vulnerability is due to insufficient input validation for a specific command. An attacker could exploit this vulnerability by issuing a command with crafted arguments. A successful exploit could allow the attacker to overwrite or create files with data that is already present in other files that are hosted on the affected device.
Overview
- CVE ID
- CVE-2021-1423
- Assigner
- ykramarz@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-03-24T21:15:13
- Last Modified Date
- 2022-10-21T19:43:07
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:cisco:aironet_access_point_software:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:cisco:aironet_1540:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:aironet_1560:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:aironet_1800:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:aironet_2800:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:aironet_3800:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:aironet_4800:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_9100:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_iw6300:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:esw6300:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:isr_1100:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:cisco:catalyst_9800_firmware:*:*:*:*:*:*:*:* | 1 | OR | 16.12.5 | |
| cpe:2.3:o:cisco:catalyst_9800_firmware:*:*:*:*:*:*:*:* | 1 | OR | 17.1 | 17.2 |
| cpe:2.3:h:cisco:catalyst_9800:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:a:cisco:wireless_lan_controller_software:*:*:*:*:*:*:*:* | 1 | OR | 8.5.171.0 | |
| cpe:2.3:a:cisco:wireless_lan_controller_software:*:*:*:*:*:*:*:* | 1 | OR | 8.6 | 8.10.130.0 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:N/I:P/A:N
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 2.1
- Severity
- LOW
- Exploitability Score
- 3.9
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 4.4
- Base Severity
- MEDIUM
- Exploitability Score
- 0.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-foverwrt-HyVXvrtb | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-1423 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1423 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:17:40 | Added to TrackCVE | |||
| 2022-12-06 00:23:09 | psirt@cisco.com | ykramarz@cisco.com | CVE Assigner | updated |
| 2022-12-06 00:23:09 | 2021-03-24T21:15Z | 2021-03-24T21:15:13 | CVE Published Date | updated |
| 2022-12-06 00:23:09 | 2022-10-21T19:43:07 | CVE Modified Date | updated | |
| 2022-12-06 00:23:09 | Analyzed | Vulnerability Status | updated |