Detections
Analytics
Cisco IOS XR Software Authenticated User Privilege Escalation (cisco-sa-iosxr-privescal-dZYMrKf)
high Nessus Plugin ID 153203
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Synopsis
The remote device is missing a vendor-supplied security patchDescription
According to its self-reported version, Cisco IOS XR is affected by multiple privilege escalation vulnerabilities due to insufficient validation of user input. An authenticated, local attacker can exploit these to gain root access to the system.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 IDs CSCvx48004, CSCvx48007See Also
http://www.nessus.org/u?17677418
Plugin Details
Severity: High
ID: 153203
File Name: cisco-sa-iosxr-privescal-dZYMrKf-iosxr.nasl
Version: 1.8
Type: combined
Family: CISCO
Published: 9/10/2021
Updated: 4/22/2022
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-2021-34728
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/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-2021-34719, CVE-2021-34728