Vulnerability · Published Jul 25, 2022 · Assigned by zdi

CVE-2022-35871

High 8.1

In plain English

A high-severity missing authentication 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 41.0% (higher than 99% of all known vulnerabilities).

Severity (CVSS 3.0)8.1High

Exploit odds (30 days)41.0%top 1.3% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Inductive Automation Ignition 8.1.15 (b2022030114). Authentication is not required to exploit this vulnerability. The specific flaw exists within the authenticateAdSso method. The issue results from the lack of authentication prior to allowing the execution of python code. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-17206.

Affected products (as reported)

Vendor	Product	Versions
Inductive Automation	Ignition	8.1.15 (b2022030114)

Weakness: CWE-306 · Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://support.inductiveautomation.com/hc/en-us/articles/7625759776653-Regarding-Pwn2Own-2022-Vulnerabilities x_refsource_MISC
https://www.zerodayinitiative.com/advisories/ZDI-22-1018/ x_refsource_MISC