Cisco IOS XE Software Guest Shell Unauthorized File System Access (cisco-sa-unauth-file-access-eBTWkKVW)

Low Nessus Plugin ID 141115

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VPR Score: 5.2

Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco IOS XE Software is affected by an unauthorized file system access vulnerability in its guest shell component due to insufficient file system permissions. An authenticated, local attacker could exploit this, to view or modify restricted information or configurations that are normally not accessible to system administrators.

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 CSCvr50414

See Also

http://www.nessus.org/u?366d7b81

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvr50414

Plugin Details

Severity: Low

ID: 141115

File Name: cisco-sa-unauth-file-access-eBTWkKVW-iosxe.nasl

Version: 1.6

Type: local

Family: CISCO

Published: 2020/10/02

Updated: 2020/10/09

Dependencies: 67217

Risk Information

Risk Factor: Low

VPR Score: 5.2

CVSS Score Source: CVE-2020-3503

CVSS v2.0

Base Score: 3.6

Temporal Score: 2.7

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 6

Temporal Score: 5.2

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

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: 2020/09/24

Vulnerability Publication Date: 2020/09/24

Reference Information

CVE: CVE-2020-3503

CISCO-BUG-ID: CSCvr50414

CISCO-SA: cisco-sa-unauth-file-access-eBTWkKVW

IAVA: 2020-A-0439

CWE: 284