Detections
Analytics
Cisco Adaptive Security Appliance Software Web Services Interface DoS (cisco-sa-asafdt-webvpn-dos-tzPSYern)
high Nessus Plugin ID 161500
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Synopsis
The remote device is missing a vendor-supplied security patchDescription
A vulnerability in the web services interface for remote access VPN features of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.This vulnerability is due to improper input validation when parsing HTTPS requests. An attacker could exploit this vulnerability by sending a crafted HTTPS request to an affected device.
Please see the included Cisco BIDs and Cisco Security Advisory for more information.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvz70595See Also
http://www.nessus.org/u?ebbed325
https://tools.cisco.com/security/center/viewErp.x?alertId=ERP-74836
Plugin Details
Severity: High
ID: 161500
File Name: cisco-sa-asafdt-webvpn-dos-tzPSYern-asa.nasl
Version: 1.8
Type: local
Family: CISCO
Published: 5/25/2022
Updated: 3/31/2023
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 5.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2022-20745
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/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: 4/27/2022
Vulnerability Publication Date: 4/27/2022
Reference Information
CVE: CVE-2022-20745