7.8
HIGH
CVE-2023-27362
3CX OpenSSL Local Privilege Escalation Vulnerability
Description

3CX Uncontrolled Search Path Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of 3CX. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the configuration of OpenSSL. The product loads an OpenSSL configuration file from an unsecured location. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-20026.

INFO

Published Date :

May 3, 2024, 2:15 a.m.

Last Modified :

Aug. 13, 2025, midnight

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2023-27362 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 3cx 3cx
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.0 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
Public PoC/Exploit Available at Github

CVE-2023-27362 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

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-2023-27362.

URL Resource
https://www.3cx.com/blog/releases/v18-u8/ Release Notes
https://www.zerodayinitiative.com/advisories/ZDI-23-1153/ Third Party Advisory
https://www.3cx.com/blog/releases/v18-u8/ Release Notes
https://www.zerodayinitiative.com/advisories/ZDI-23-1153/ Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-27362 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-27362 weaknesses.

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).

None

Updated: 1 day, 11 hours ago
6 stars 0 fork 0 watcher
Born at : Feb. 23, 2023, 5:42 a.m. This repo has been linked 479 different CVEs too.

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

The following list is the news that have been mention CVE-2023-27362 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-27362 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]

    Aug. 13, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CPE Configuration OR *cpe:2.3:a:3cx:3cx:*:*:*:*:*:*:*:* versions from (including) 18.0.0.451 up to (excluding) 18.0.8.917
    Added Reference Type CVE: https://www.3cx.com/blog/releases/v18-u8/ Types: Release Notes
    Added Reference Type Zero Day Initiative: https://www.3cx.com/blog/releases/v18-u8/ Types: Release Notes
    Added Reference Type CVE: https://www.zerodayinitiative.com/advisories/ZDI-23-1153/ Types: Third Party Advisory
    Added Reference Type Zero Day Initiative: https://www.zerodayinitiative.com/advisories/ZDI-23-1153/ Types: Third Party Advisory
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://www.3cx.com/blog/releases/v18-u8/
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-23-1153/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Received by [email protected]

    May. 03, 2024

    Action Type Old Value New Value
    Added Description 3CX Uncontrolled Search Path Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of 3CX. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the configuration of OpenSSL. The product loads an OpenSSL configuration file from an unsecured location. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-20026.
    Added Reference Zero Day Initiative https://www.zerodayinitiative.com/advisories/ZDI-23-1153/ [No types assigned]
    Added Reference Zero Day Initiative https://www.3cx.com/blog/releases/v18-u8/ [No types assigned]
    Added CWE Zero Day Initiative CWE-427
    Added CVSS V3 Zero Day Initiative AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
Vulnerability Scoring Details
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 7
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact