How severe is CVE-2023-27362?

CVE-2023-27362 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-27362 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27362?

CVE-2023-27362 affects 3cx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27362?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-27362 have an EU (EUVD) identifier?

Yes. CVE-2023-27362 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-31138.

When was CVE-2023-27362 published?

CVE-2023-27362 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2023-27362

CVE-2023-27362 is a high-severity vulnerability in 3cx with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-427.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-31138
Weakness: CWE-427
Affected product: 3cx
Published: 2024-05-03
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-27362?: 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.
How severe is CVE-2023-27362?: CVE-2023-27362 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-27362 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27362?: CVE-2023-27362 affects 3cx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27362?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-27362 have an EU (EUVD) identifier?: Yes. CVE-2023-27362 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-31138.
When was CVE-2023-27362 published?: CVE-2023-27362 was published on 2024-05-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:3cx:3cx:*:*:*:*:*:*:*:*

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