Detections
Analytics
Cisco IOS XR Software Cisco Discovery Protocol Denial of Service Vulnerability (cisco-sa-20200205-fxnxos-iosxr-cdp-dos)
medium Nessus Plugin ID 133721
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Synopsis
The remote device is missing a vendor-supplied security patchDescription
According to its self-reported version, the Cisco IOS XR Software is affected by a denial of service vulnerability within the Cisco Discovery Protocol due to missing a check when processing protocol messages. An unauthenticated, adjacent attacker can exploit this to cause the device to reboot.Please see the included Cisco BIDs and Cisco Security Advisory for more information
Solution
Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvr15024.See Also
Plugin Details
Severity: Medium
ID: 133721
File Name: cisco-sa-20200205-iosxr-cdp-dos.nasl
Version: 1.10
Type: combined
Family: CISCO
Published: 2/14/2020
Updated: 12/6/2022
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-2020-3120
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_xr
Required KB Items: Host/Cisco/IOS-XR/Version
Exploit Ease: No known exploits are available
Patch Publication Date: 2/5/2020
Vulnerability Publication Date: 2/5/2020
Reference Information
CVE: CVE-2020-3120