Vulnerability · Published May 3, 2024 · Assigned by zdi

CVE-2023-39472Inductive Automation Ignition SimpleXMLReader XML External Entity Processing Information Disclosure Vulnerability

Medium 6.5

In plain English

A medium-severity XML external entity in Ignition from Inductive Automation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities).

Severity (CVSS 3.0)6.5Medium

Exploit odds (30 days)1.3%top 29.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Inductive Automation Ignition SimpleXMLReader XML External Entity Processing Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Inductive Automation Ignition. Authentication is required to exploit this vulnerability. The specific flaw exists within the SimpleXMLReader class. 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 the SYSTEM. . Was ZDI-CAN-17571.

Affected products (as reported)

Vendor	Product	Versions
Inductive Automation	Ignition	8.1.17 LTS

Weakness: CWE-611 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

ZDI-23-1048 x_research-advisory