Detections
Analytics
Cisco IOS XE & Cisco IOS XE SDWAN Ethernet Frame DoS (cisco-sa-le-drTOB625)
medium Nessus Plugin ID 141437
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Synopsis
The remote device is missing a vendor-supplied security patchDescription
According to its self-reported version, Cisco IOS XE or Cisco IOS XE SDWAN is affected by a denial of service (DoS) vulnerability in its networking component due to a failure to handle malformed ethernet frames. An unauthenticated, adjacent attacker can exploit this issue, by sending specially crafted ethernet frames to an affected device, to force a reload of the 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
Solution
Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvu30597See Also
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu30597
http://www.nessus.org/u?218a376f
http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-74268
Plugin Details
Severity: Medium
ID: 141437
File Name: cisco-sa-le-drTOB625-iosxe.nasl
Version: 1.10
Type: combined
Family: CISCO
Published: 10/14/2020
Updated: 5/3/2024
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: Medium
Base Score: 6.1
Temporal Score: 4.5
Vector: CVSS2#AV:A/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2020-3465
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 5.7
Vector: CVSS:3.0/AV:A/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:/o:cisco:ios_xe
Required KB Items: Host/Cisco/IOS-XE/Version
Exploit Ease: No known exploits are available
Patch Publication Date: 9/24/2020
Vulnerability Publication Date: 9/24/2020
Reference Information
CVE: CVE-2020-3465