How severe is CVE-2023-42033?

CVE-2023-42033 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-42033 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-42033?

CVE-2023-42033 affects Visualware Myconnection Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-42033?

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-2023-42033 have an EU (EUVD) identifier?

Yes. CVE-2023-42033 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-46492.

When was CVE-2023-42033 published?

CVE-2023-42033 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2023-42033

CVE-2023-42033 is a high-severity vulnerability in Visualware Myconnection Server with a CVSS 3.x base score of 7.2. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-46492
Weakness: CWE-22
Affected product: Visualware Myconnection Server
Published: 2024-05-03
Last modified: 2026-06-17

Description

Visualware MyConnection Server doPostUploadfiles Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Visualware MyConnection Server. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the doPostUploadfiles method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21612.

Frequently asked questions

What is CVE-2023-42033?: Visualware MyConnection Server doPostUploadfiles Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Visualware MyConnection Server. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the doPostUploadfiles method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21612.
How severe is CVE-2023-42033?: CVE-2023-42033 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-42033 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-42033?: CVE-2023-42033 affects Visualware Myconnection Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-42033?: 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-2023-42033 have an EU (EUVD) identifier?: Yes. CVE-2023-42033 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-46492.
When was CVE-2023-42033 published?: CVE-2023-42033 was published on 2024-05-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:visualware:myconnection_server:11.3c:*:*:*:*:*:*:*

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