Detections
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Cisco IOS XR Software Health Check Open Port (cisco-sa-iosxr-redis-ABJyE5xK)

medium Nessus Plugin ID 161524

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Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco IOS XR is affected by a vulnerability in the health check RPM due to a port that is open by default. An unauthenticated, remote attacker can exploit this, by connecting to the Redis instance on the open port, in order to read and write information.

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCwb82689

See Also

http://www.nessus.org/u?cf613032

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwb82689

Plugin Details

Severity: Medium

ID: 161524

File Name: cisco-sa-iosxr-redis-ABJyE5xK-iosxr.nasl

Version: 1.10

Type: combined

Family: CISCO

Published: 5/26/2022

Updated: 4/25/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.0

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2022-20821

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:ios_xr

Required KB Items: Host/Cisco/IOS-XR/Version, Host/Cisco/IOS-XR/Model

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/20/2022

Vulnerability Publication Date: 5/20/2022

CISA Known Exploited Vulnerability Due Dates: 6/13/2022

Reference Information

CVE: CVE-2022-20821

CWE: 200

CISCO-SA: cisco-sa-iosxr-redis-ABJyE5xK

CISCO-BUG-ID: CSCwb82689