CVE-2021-1434
CVSS V2 Medium 6.6
CVSS V3 Medium 6
Description
A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying file system. This vulnerability is due to insufficient validation of the parameters of a specific CLI command. An attacker could exploit this vulnerability by issuing that command with specific parameters. A successful exploit could allow the attacker to overwrite the content of any arbitrary file that resides on the underlying host file system.
Overview
- CVE ID
- CVE-2021-1434
- Assigner
- ykramarz@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-03-24T20:15:14
- Last Modified Date
- 2021-03-29T20:04:10
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:cisco:ios_xe:16.11.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.11.1a:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.11.1b:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.11.1c:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.11.1s:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.11.2:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.12.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.12.1a:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.12.1c:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.12.1s:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.12.1t:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.12.1w:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.12.1x:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.12.1y:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.12.1z:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.12.1za:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.12.2:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.12.2a:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.12.2s:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.12.2t:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.12.3:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.12.3a:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:16.12.3s:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:17.2.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:17.2.1a:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:17.2.1r:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios_xe:17.2.1v:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:N/I:C/A:C
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 6.6
- Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 9.2
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:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 6
- Base Severity
- MEDIUM
- Exploitability Score
- 0.8
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-arbfile-FUxskKDE | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-1434 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1434 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:18:15 | Added to TrackCVE | |||
| 2022-12-06 00:20:26 | psirt@cisco.com | ykramarz@cisco.com | CVE Assigner | updated |
| 2022-12-06 00:20:26 | 2021-03-24T20:15Z | 2021-03-24T20:15:14 | CVE Published Date | updated |
| 2022-12-06 00:20:26 | 2021-03-29T20:04:10 | CVE Modified Date | updated | |
| 2022-12-06 00:20:26 | Analyzed | Vulnerability Status | updated |