CVE-2020-3476
CVSS V2 Low 3.6
CVSS V3 Medium 6
Description
A vulnerability in the CLI implementation of a specific command of Cisco IOS XE Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying host file system. The 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-2020-3476
- Assigner
- ykramarz@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-09-24T18:15:19
- Last Modified Date
- 2020-09-30T18:45:31
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:cisco:ios:16.9:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:cisco:ios:16.10.1:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:N/I:P/A:P
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 3.6
- Severity
- LOW
- Exploitability Score
- 3.9
- Impact Score
- 4.9
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: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-file-overwrite-Ynu5PrJD | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-3476 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3476 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:11:31 | Added to TrackCVE | |||
| 2022-12-04 23:18:14 | psirt@cisco.com | ykramarz@cisco.com | CVE Assigner | updated |
| 2022-12-04 23:18:14 | 2020-09-24T18:15Z | 2020-09-24T18:15:19 | CVE Published Date | updated |
| 2022-12-04 23:18:14 | 2020-09-30T18:45:31 | CVE Modified Date | updated | |
| 2022-12-04 23:18:14 | Analyzed | Vulnerability Status | updated |