Vulnerability Details : CVE-2022-20945
A vulnerability in the 802.11 association frame validation of Cisco Catalyst 9100 Series Access Points (APs) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient input validation of certain parameters within association request frames received by the AP. An attacker could exploit this vulnerability by sending a crafted 802.11 association request to a nearby device. An exploit could allow the attacker to unexpectedly reload the device, resulting in a DoS condition.
Vulnerability category: OverflowInput validationDenial of service
Products affected by CVE-2022-20945
- cpe:2.3:o:cisco:catalyst_9800-l_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:catalyst_9800-40_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:catalyst_9800-80_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:catalyst_9800-cl_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-20945
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-20945
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.4
|
HIGH | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H |
2.8
|
4.0
|
Cisco Systems, Inc. | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2022-20945
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: ykramarz@cisco.com (Secondary)
References for CVE-2022-20945
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-assoc-dos-EgVqtON8
Cisco Catalyst 9100 Series Access Points Association Request Denial of Service VulnerabilityVendor Advisory
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