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nvd[email protected]NVD:CVE-2021-34769
HistorySep 23, 2021 - 3:15 a.m.

CVE-2021-34769

2021-09-2303:15:20
CWE-415
[email protected]
web.nvd.nist.gov
4
cisco catalyst 9000
capwap protocol
remote attacker
denial of service

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

52.6%

JSON

Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. These vulnerabilities are due to insufficient validation of CAPWAP packets. An attacker could exploit the vulnerabilities by sending a malformed CAPWAP packet to an affected device. A successful exploit could allow the attacker to cause the affected device to crash and reload, resulting in a DoS condition.

Affected configurations

Nvd
Node
ciscoios_xeMatch3.15.1xbs
OR
ciscoios_xeMatch3.15.2xbs
OR
ciscoios_xeMatch17.3.1
OR
ciscoios_xeMatch17.3.2
OR
ciscoios_xeMatch17.3.2a
OR
ciscoios_xeMatch17.4.1
OR
ciscoios_xeMatch17.5.1
AND
ciscocatalyst_9800Match-
OR
ciscocatalyst_9800-40Match-
OR
ciscocatalyst_9800-40_wireless_controllerMatch-
OR
ciscocatalyst_9800-80Match-
OR
ciscocatalyst_9800-80_wireless_controllerMatch-
OR
ciscocatalyst_9800-clMatch-
OR
ciscocatalyst_9800-lMatch-
OR
ciscocatalyst_9800-l-cMatch-
OR
ciscocatalyst_9800-l-fMatch-
OR
ciscocatalyst_9800_embedded_wireless_controllerMatch-
VendorProductVersionCPE
ciscoios_xe3.15.1xbscpe:2.3:o:cisco:ios_xe:3.15.1xbs:*:*:*:*:*:*:*
ciscoios_xe3.15.2xbscpe:2.3:o:cisco:ios_xe:3.15.2xbs:*:*:*:*:*:*:*
ciscoios_xe17.3.1cpe:2.3:o:cisco:ios_xe:17.3.1:*:*:*:*:*:*:*
ciscoios_xe17.3.2cpe:2.3:o:cisco:ios_xe:17.3.2:*:*:*:*:*:*:*
ciscoios_xe17.3.2acpe:2.3:o:cisco:ios_xe:17.3.2a:*:*:*:*:*:*:*
ciscoios_xe17.4.1cpe:2.3:o:cisco:ios_xe:17.4.1:*:*:*:*:*:*:*
ciscoios_xe17.5.1cpe:2.3:o:cisco:ios_xe:17.5.1:*:*:*:*:*:*:*
ciscocatalyst_9800-cpe:2.3:h:cisco:catalyst_9800:-:*:*:*:*:*:*:*
ciscocatalyst_9800-40-cpe:2.3:h:cisco:catalyst_9800-40:-:*:*:*:*:*:*:*
ciscocatalyst_9800-40_wireless_controller-cpe:2.3:h:cisco:catalyst_9800-40_wireless_controller:-:*:*:*:*:*:*:*
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CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

52.6%

JSON
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