Veeam Backup and Replication Authentication Bypass (KB4288)

high Nessus Plugin ID 173398

Synopsis

The version of Veeam Backup and Replication installed on the remote Windows host is affected by an authentication bypass vulnerability.

Description

The version of Veeam Backup and Replication installed on the remote Windows host is prior to 11.0.1.1261 P20230227 or 12.x prior to 12.0.0.1420 P20230223. It is, therefore, affected by authentication bypass vulnerability that allows encrypted credentials stored in the configuration database to be obtained. This may lead to gaining access to the backup infrastructure hosts.

Note that Nessus has not tested for this issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Veeam Backup and Replication version 11.0.1.1261 P20230227 or 12.0.0.1420 P20230223 or later.

See Also

https://www.veeam.com/kb4424

Plugin Details

Severity: High

ID: 173398

File Name: veeam_backup_and_replication_kb4424.nasl

Version: 1.7

Type: local

Agent: windows

Family: Windows

Published: 3/24/2023

Updated: 5/24/2024

Configuration: Enable thorough checks

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.1

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

CVSS Score Source: CVE-2023-27532

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 7.2

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

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

Vulnerability Information

CPE: cpe:/a:veeam:backup_and_replication

Required KB Items: SMB/Registry/Enumerated, installed_sw/Veeam Backup and Replication

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/7/2023

Vulnerability Publication Date: 3/7/2023

CISA Known Exploited Vulnerability Due Dates: 9/12/2023

Exploitable With

Core Impact

Reference Information

CVE: CVE-2023-27532

IAVA: 2023-A-0233-S