CVE-2020-3429
CVSS V2 Medium 5.7
CVSS V3 Medium 6.5
Description
A vulnerability in the WPA2 and WPA3 security implementation of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause denial of service (DoS) condition on an affected device. The vulnerability is due to incorrect packet processing during the WPA2 and WPA3 authentication handshake when configured for dot1x or pre-shared key (PSK) authentication key management (AKM) with 802.11r BSS Fast Transition (FT) enabled. An attacker could exploit this vulnerability by sending a crafted authentication packet to an affected device. A successful exploit could cause an affected device to reload, resulting in a DoS condition.
Overview
- CVE ID
- CVE-2020-3429
- Assigner
- ykramarz@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-09-24T18:15:19
- Last Modified Date
- 2021-08-06T19:03:16
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:cisco:ios_xe:16.12.1s:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:cisco:catalyst_9300:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_9400:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_9500:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_9800-40:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_9800-80:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_9800-cl:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:cisco:catalyst_9800-l:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:A/AC:M/Au:N/C:N/I:N/A:C
- Access Vector
- ADJACENT_NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- COMPLETE
- Base Score
- 5.7
- Severity
- MEDIUM
- Exploitability Score
- 5.5
- Impact Score
- 6.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- ADJACENT_NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wpa-dos-cXshjerc | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-3429 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3429 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:58:03 | Added to TrackCVE | |||
| 2022-12-04 23:17:57 | psirt@cisco.com | ykramarz@cisco.com | CVE Assigner | updated |
| 2022-12-04 23:17:57 | 2020-09-24T18:15Z | 2020-09-24T18:15:19 | CVE Published Date | updated |
| 2022-12-04 23:17:57 | 2021-08-06T19:03:16 | CVE Modified Date | updated | |
| 2022-12-04 23:17:57 | Analyzed | Vulnerability Status | updated |