Detections
Analytics
Cisco IOS XE Software NETCONF Over SSH DoS (cisco-sa-ncossh-dos-ZAkfOdq8)
medium Nessus Plugin ID 160029
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Synopsis
The remote device is missing a vendor-supplied security patchDescription
According to its self-reported version, Cisco IOS-XE Software is affected by a vulnerability in the NETCONF over SSH feature of Cisco IOS XE Software could allow a low-privileged, authenticated, remote attacker to cause a denial of service condition (DoS) on an affected device. This vulnerability is due to insufficient resource management. An attacker could exploit this vulnerability by initiating a large number of NETCONF over SSH connections. A successful exploit could allow the attacker to exhaust resources, causing the device to reload and resulting in a DoS condition on an affected device.Please see the included Cisco BIDs and Cisco Security Advisory for more information.
Note that Nessus has not tested for this issue 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 CSCvy95621See Also
http://www.nessus.org/u?049a1c9f
https://tools.cisco.com/security/center/viewErp.x?alertId=ERP-74561
Plugin Details
Severity: Medium
ID: 160029
File Name: cisco-sa-ncossh-dos-ZAkfOdq8-iosxe.nasl
Version: 1.7
Type: combined
Family: CISCO
Published: 4/21/2022
Updated: 4/27/2022
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C
CVSS Score Source: CVE-2022-20692
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:/o:cisco:ios_xe
Required KB Items: Host/Cisco/IOS-XE/Version
Exploit Ease: No known exploits are available
Patch Publication Date: 4/13/2022
Vulnerability Publication Date: 4/13/2022
Reference Information
CVE: CVE-2022-20692