ExtremePacs Extreme XDS up to 3914 authorization

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in ExtremePacs Extreme XDS up to 3914 and classified as very critical. This vulnerability affects unknown code. The manipulation leads to authorization. This vulnerability is listed as CVE-2023-6523. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in ExtremePacs Extreme XDS up to 3914 and classified as very critical. This issue affects an unknown part. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Authorization Bypass Through User-Controlled Key vulnerability in ExtremePacs Extreme XDS allows Authentication Abuse. This issue affects Extreme XDS: before 3914.

The weakness was presented by Mustafa Anıl Yildirim. The advisory is shared at usom.gov.tr. The identification of this vulnerability is CVE-2023-6523 since 12/05/2023. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/20/2026).

Upgrading to version 3914 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Extreme XDS 3914

Timelineinfo

12/05/2023 🔍
04/05/2024 +121 days 🔍
04/05/2024 +0 days 🔍
05/20/2026 +775 days 🔍

Sourcesinfo

Advisory: usom.gov.tr
Researcher: Mustafa Anıl Yildirim
Status: Confirmed

CVE: CVE-2023-6523 (🔍)
GCVE (CVE): GCVE-0-2023-6523
GCVE (VulDB): GCVE-100-259493

Entryinfo

Created: 04/05/2024 14:24
Updated: 05/20/2026 19:14
Changes: 04/05/2024 14:24 (62), 05/20/2026 19:14 (3)
Complete: 🔍
Cache ID: 216::103

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