Security readout for executives and security teams
Plain-English summary
CVE-2022-35871 is an unauthenticated remote code execution issue in Inductive Automation Ignition 8.1.15. Successful exploitation could run code as SYSTEM. The CVSS score is 8.1 with high attack complexity, so internet or broadly reachable affected systems deserve urgent attention.
Executive priority
Treat as high priority for any affected Ignition deployment, especially in operational environments. The main business risk is unauthenticated compromise of a control-system host with SYSTEM-level impact, though active exploitation is not proven by the supplied evidence.
Technical view
The flaw is in Ignition 8.1.15 authenticateAdSso. The cited description maps it to CWE-306: missing authentication before allowing Python code execution. It is network reachable, requires no credentials or user interaction, and can affect confidentiality, integrity, and availability.
Likely exposure
Exposure appears limited to Inductive Automation Ignition 8.1.15 build b2022030114 based on the provided sources. Prioritize systems reachable from untrusted networks, remote operations networks, or shared corporate environments.
Exploitation context
The CVE is not listed as KEV in the supplied bundle, and no provided source states active exploitation. ZDI attributes it to ZDI-CAN-17206 and describes unauthenticated remote code execution with high attack complexity.
Researcher notes
Evidence is strongest for a specific affected Ignition build and RCE impact. The supplied bundle does not provide exploit details, observed exploitation, or a named fixed version, so validation should stay focused on version exposure and vendor advisory tracking.
Mitigation direction
- Identify Ignition 8.1.15 build b2022030114 installations.
- Review Inductive Automation guidance for the vendor-supported update or remediation path.
- Restrict Ignition access to trusted networks while remediation is confirmed.
- Harden host privileges and monitoring around Ignition services.
- Prioritize externally reachable or operations-critical deployments first.
Validation and detection
- Inventory Ignition versions and build numbers across all environments.
- Confirm whether any instance matches 8.1.15 b2022030114.
- Check network paths exposing Ignition to untrusted users.
- Review logs and EDR for unexpected code execution by Ignition services.
- Document vendor advisory status and remediation evidence.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-35871 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.1 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H2.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.1HighVector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://support.inductiveautomation.com/hc/en-us/articles/7625759776653-Regarding-Pwn2Own-2022-VulnerabilitiesCVE reference · x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-22-1018/CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.