Cisco Integrated Management Controller Username Enumeration (cisco-sa-cimc-enum-CyheP3B7)

medium Nessus Plugin ID 151487

Synopsis

The remote device is missing a vendor-supplied security patch (cisco-sa-cimc-enum-CyheP3B7)

Description

According to its self-reported version, Cisco Integrated Management Controller is affected by a vulnerability due to differences in authentication responses sent back from the application as part of an authentication attempt. An unauthenticated, remote attacker can exploit this, by by sending authentication requests, in order to enumerate valid usernames.

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 CSCvv07275, CSCvv95095

See Also

http://www.nessus.org/u?cb11d05d

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvv07275

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvv95095

Plugin Details

Severity: Medium

ID: 151487

File Name: cisco-sa-cimc-enum-CyheP3B7.nasl

Version: 1.5

Type: combined

Family: CISCO

Published: 7/9/2021

Updated: 7/12/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2020-26062

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

CPE: cpe:/a:cisco:integrated_management_controller

Required KB Items: Host/Cisco/CIMC/version

Exploit Ease: No known exploits are available

Patch Publication Date: 11/4/2020

Vulnerability Publication Date: 11/4/2020

Reference Information

CVE: CVE-2020-26062

CWE: 203

CISCO-SA: cisco-sa-cimc-enum-CyheP3B7

IAVA: 2020-A-0502

CISCO-BUG-ID: CSCvv07275, CSCvv95095