Auth bypass in Inductive Automation Ignition

CVE-2022-35871

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.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.410 (98.6th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-35871: rose from 0.392 to 0.410.

EPSS over last 30 days · oldest: 0.392 · newest: 0.410 · change: +0.018

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-35871?
CVE-2022-35871 is a high-severity vulnerability in Inductive Automation Ignition, classified under Missing Authentication for Critical Function. CVSS score: 7.8/10. Published 2022-07-25.
How severe is CVE-2022-35871?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-35871 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.