Detections
Analytics
Cisco IOS XR Software for 8000 Network Convergence System 540 Series Routers Image Verification (cisco-sa-lnt-QN9mCzwn)
medium Nessus Plugin ID 153224
Language:
Synopsis
The remote device is missing a vendor-supplied security patchDescription
According to its self-reported version, Cisco IOS XR is affected by multiple vulnerabilities in image verification checks that enables an authenticated, local attacker to execute arbitrary code on the underlying operating system.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 IDs CSCvx38902, CSCvx53064See Also
http://www.nessus.org/u?5b7a493a
http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-74637
Plugin Details
Severity: Medium
ID: 153224
File Name: cisco-sa-lnt-QN9mCzwn-iosxr.nasl
Version: 1.9
Type: combined
Family: CISCO
Published: 9/13/2021
Updated: 6/20/2022
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 5.3
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2021-34708
CVSS v3
Risk Factor: Medium
Base Score: 6.7
Temporal Score: 5.8
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/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: 9/8/2021
Vulnerability Publication Date: 9/8/2021
Reference Information
CVE: CVE-2021-34708, CVE-2021-34709