Detections
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Cisco Adaptive Security Appliance Software IKEv2 Site-to-Site VPN Denial of Service (cisco-sa-asaftd-ikev2-dos-g4cmrr7C)
medium Nessus Plugin ID 160762
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Synopsis
The remote device is missing a vendor-supplied security patchDescription
A vulnerability in the Internet Key Exchange Version 2 (IKEv2) implementation of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, remote attacker to trigger a denial of service (DoS) condition on an affected device. This vulnerability is due to improper control of a resource. An attacker with the ability to spoof a trusted IKEv2 site-to-site VPN peer and in possession of valid IKEv2 credentials for that peer could exploit this vulnerability by sending malformed, authenticated IKEv2 messages to an affected deviceSolution
Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvy93480See Also
http://www.nessus.org/u?0c784582
https://tools.cisco.com/security/center/viewErp.x?alertId=ERP-74773
Plugin Details
Severity: Medium
ID: 160762
File Name: cisco-sa-asaftd-ikev2-dos-g4cmrr7C-asa.nasl
Version: 1.7
Type: local
Family: CISCO
Published: 5/9/2022
Updated: 5/17/2022
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: Medium
Base Score: 6.3
Temporal Score: 4.7
Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:N/A:C
CVSS Score Source: CVE-2021-40125
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 5.7
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/a:cisco:adaptive_security_appliance_software
Required KB Items: Host/Cisco/ASA/model
Exploit Ease: No known exploits are available
Patch Publication Date: 10/27/2021
Vulnerability Publication Date: 10/27/2021
Reference Information
CVE: CVE-2021-40125