// For flags

CVE-2022-20945

Cisco Catalyst 9100 Series Access Points Association Request Denial of Service Vulnerability

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

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.

Una vulnerabilidad en la comprobación de tramas de asociación 802.11 de los Puntos de Acceso (AP) de la Serie Catalyst 9100 de Cisco podría permitir a un atacante adyacente no autenticado causar una condición de denegación de servicio (DoS) en un dispositivo afectado. Esta vulnerabilidad es debido a la insuficiente comprobación de entrada de determinados parámetros dentro de las tramas de petición de asociación recibidas por el AP. Un atacante podría explotar esta vulnerabilidad mediante el envío de una petición de asociación 802.11 diseñada a un dispositivo cercano. Una explotación podría permitir al atacante recargar inesperadamente el dispositivo, resultando en una condición de DoS

*Credits: N/A
CVSS Scores
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2021-11-02 CVE Reserved
  • 2022-09-30 CVE Published
  • 2024-04-20 EPSS Updated
  • 2024-11-01 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Cisco
Search vendor "Cisco"
Catalyst 9800-l Firmware
Search vendor "Cisco" for product "Catalyst 9800-l Firmware"
>= 17.6 < 17.6.4
Search vendor "Cisco" for product "Catalyst 9800-l Firmware" and version " >= 17.6 < 17.6.4"
-
Affected
in Cisco
Search vendor "Cisco"
Catalyst 9800-l
Search vendor "Cisco" for product "Catalyst 9800-l"
--
Safe
Cisco
Search vendor "Cisco"
Catalyst 9800-40 Firmware
Search vendor "Cisco" for product "Catalyst 9800-40 Firmware"
>= 17.6 < 17.6.4
Search vendor "Cisco" for product "Catalyst 9800-40 Firmware" and version " >= 17.6 < 17.6.4"
-
Affected
in Cisco
Search vendor "Cisco"
Catalyst 9800-40
Search vendor "Cisco" for product "Catalyst 9800-40"
--
Safe
Cisco
Search vendor "Cisco"
Catalyst 9800-80 Firmware
Search vendor "Cisco" for product "Catalyst 9800-80 Firmware"
>= 17.6 < 17.6.4
Search vendor "Cisco" for product "Catalyst 9800-80 Firmware" and version " >= 17.6 < 17.6.4"
-
Affected
in Cisco
Search vendor "Cisco"
Catalyst 9800-80
Search vendor "Cisco" for product "Catalyst 9800-80"
--
Safe
Cisco
Search vendor "Cisco"
Catalyst 9800-cl Firmware
Search vendor "Cisco" for product "Catalyst 9800-cl Firmware"
>= 17.6 < 17.6.4
Search vendor "Cisco" for product "Catalyst 9800-cl Firmware" and version " >= 17.6 < 17.6.4"
-
Affected
in Cisco
Search vendor "Cisco"
Catalyst 9800-cl
Search vendor "Cisco" for product "Catalyst 9800-cl"
--
Safe