CVE-2020-3527
CVSS V2 High 7.8
CVSS V3 High 8.6
Description
A vulnerability in the Polaris kernel of Cisco Catalyst 9200 Series Switches could allow an unauthenticated, remote attacker to crash the device. The vulnerability is due to insufficient packet size validation. An attacker could exploit this vulnerability by sending jumbo frames or frames larger than the configured MTU size to the management interface of this device. A successful exploit could allow the attacker to crash the device fully before an automatic recovery.
Overview
- CVE ID
- CVE-2020-3527
- Assigner
- ykramarz@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-09-24T18:15:21
- Last Modified Date
- 2020-10-07T00:50:49
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* | 1 | OR | 16.9.0 | 16.9.5 |
| cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* | 1 | OR | 16.12.0 | 16.12.3 |
| cpe:2.3:h:cisco:catalyst_c9200l-24p-4g:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_c9200l-24p-4x:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_c9200l-24pxg-2y:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_c9200l-24pxg-4x:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_c9200l-24t-4g:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_c9200l-24t-4x:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_c9200l-48p-4g:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_c9200l-48p-4x:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_c9200l-48pxg-2y:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_c9200l-48pxg-4x:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_c9200l-48t-4g:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_c9200l-48t-4x:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- COMPLETE
- Base Score
- 7.8
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 8.6
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 4
References
| Reference URL | Reference Tags |
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-JP-DOS-g5FfGm8y | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-3527 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3527 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:10:04 | Added to TrackCVE | |||
| 2022-12-04 23:19:46 | psirt@cisco.com | ykramarz@cisco.com | CVE Assigner | updated |
| 2022-12-04 23:19:46 | 2020-09-24T18:15Z | 2020-09-24T18:15:21 | CVE Published Date | updated |
| 2022-12-04 23:19:46 | 2020-10-07T00:50:49 | CVE Modified Date | updated | |
| 2022-12-04 23:19:46 | Analyzed | Vulnerability Status | updated |