What is CVE-2023-42035?

CVE-2023-42035 is a medium-severity vulnerability in Visualware Myconnection Server, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 6.5/10. Published 2024-05-03.

How severe is CVE-2023-42035?

Medium severity. CVSS v3 base score is 6.5 out of 10.

XXE in Visualware Myconnection Server

CVE-2023-42035

Visualware MyConnection Server doIForward XML External Entity Processing Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Visualware MyConnection Server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the doIForward method. Due to the improper restriction of XML External Entity (XXE) references, a crafted document specifying a URI causes the XML parser to access the URI and embed the contents back into the XML document for further processing. An attacker can leverage this vulnerability to disclose information in the context of root. Was ZDI-CAN-21774.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.012 (63.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.

Affected products

Visualware Myconnection Server — versions 11.3c
Visualware Myconnection_server — versions 11.3c

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
zdi-disclosures@trendmicro.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-42035?: CVE-2023-42035 is a medium-severity vulnerability in Visualware Myconnection Server, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 6.5/10. Published 2024-05-03.
How severe is CVE-2023-42035?: Medium severity. CVSS v3 base score is 6.5 out of 10.