4.0
MEDIUM
CVE-2023-52947
Synology Active Backup for Business Agent Authentication Bypass
Description

Missing authentication for critical function vulnerability in logout functionality in Synology Active Backup for Business Agent before 2.6.3-3101 allows local users to logout the client via unspecified vectors. The backup functionality will continue to operate and will not be affected by the logout.

INFO

Published Date :

Sept. 26, 2024, 4:15 a.m.

Last Modified :

Oct. 2, 2024, 3:26 p.m.

Remotely Exploitable :

No

Impact Score :

1.4

Exploitability Score :

2.5
Affected Products

The following products are affected by CVE-2023-52947 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Synology active_backup_for_business_agent
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-52947.

URL Resource
https://www.synology.com/en-global/security/advisory/Synology_SA_24_11 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-52947 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-52947 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Oct. 02, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    Changed Reference Type https://www.synology.com/en-global/security/advisory/Synology_SA_24_11 No Types Assigned https://www.synology.com/en-global/security/advisory/Synology_SA_24_11 Vendor Advisory
    Added CPE Configuration OR *cpe:2.3:a:synology:active_backup_for_business_agent:*:*:*:*:*:*:*:* versions up to (excluding) 2.6.0-3101
  • CVE Received by [email protected]

    Sep. 26, 2024

    Action Type Old Value New Value
    Added Description Missing authentication for critical function vulnerability in logout functionality in Synology Active Backup for Business Agent before 2.6.3-3101 allows local users to logout the client via unspecified vectors. The backup functionality will continue to operate and will not be affected by the logout.
    Added Reference Synology Inc. https://www.synology.com/en-global/security/advisory/Synology_SA_24_11 [No types assigned]
    Added CWE Synology Inc. CWE-306
    Added CVSS V3.1 Synology Inc. AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-52947 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability