CVE-2020-3477
CVSS V2 Low 2.1
CVSS V3 Medium 5.5
Description
A vulnerability in the CLI parser of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local attacker to access files from the flash: filesystem. The vulnerability is due to insufficient application of restrictions during the execution of a specific command. An attacker could exploit this vulnerability by using a specific command at the command line. A successful exploit could allow the attacker to obtain read-only access to files that are located on the flash: filesystem that otherwise might not have been accessible.
Overview
- CVE ID
- CVE-2020-3477
- Assigner
- ykramarz@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-09-24T18:15:19
- Last Modified Date
- 2021-08-06T19:05:17
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:cisco:ios:16.3.11:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:cisco:2610xm:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:2611xm:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:2612:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:2620xm:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:2621xm:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:2650xm:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:2651xm:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:2691:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- 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:L/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-info-disclosure-V4BmJBNF | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-3477 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3477 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:58:03 | Added to TrackCVE | |||
| 2022-12-04 23:18:18 | psirt@cisco.com | ykramarz@cisco.com | CVE Assigner | updated |
| 2022-12-04 23:18:18 | 2020-09-24T18:15Z | 2020-09-24T18:15:19 | CVE Published Date | updated |
| 2022-12-04 23:18:18 | 2021-08-06T19:05:17 | CVE Modified Date | updated | |
| 2022-12-04 23:18:18 | Analyzed | Vulnerability Status | updated |