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cvelistCiscoCVELIST:CVE-2023-20202
HistorySep 27, 2023 - 5:24 p.m.

CVE-2023-20202

2023-09-2717:24:05
cisco
www.cve.org
cisco
wireless lan controllers
denial of service
memory management
network requests
cve-2023-20202.

6.1 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

0.0004 Low

EPSS

Percentile

12.7%

A vulnerability in the Wireless Network Control daemon (wncd) of Cisco IOS XE Software for Wireless LAN Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition.

This vulnerability is due to improper memory management. An attacker could exploit this vulnerability by sending a series of network requests to an affected device. A successful exploit could allow the attacker to cause the wncd process to consume available memory and eventually cause the device to reload, resulting in a DoS condition.

CNA Affected

[
  {
    "vendor": "Cisco",
    "product": "Cisco IOS XE Software",
    "versions": [
      {
        "version": "17.10.1",
        "status": "affected"
      },
      {
        "version": "17.10.1a",
        "status": "affected"
      },
      {
        "version": "17.10.1b",
        "status": "affected"
      },
      {
        "version": "17.9.1",
        "status": "affected"
      },
      {
        "version": "17.9.1w",
        "status": "affected"
      },
      {
        "version": "17.9.2",
        "status": "affected"
      },
      {
        "version": "17.9.1a",
        "status": "affected"
      },
      {
        "version": "17.9.1x",
        "status": "affected"
      },
      {
        "version": "17.9.1y",
        "status": "affected"
      },
      {
        "version": "17.9.2a",
        "status": "affected"
      },
      {
        "version": "17.9.1x1",
        "status": "affected"
      }
    ]
  }
]

6.1 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

0.0004 Low

EPSS

Percentile

12.7%

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