Security readout for executives and security teams
Plain-English summary
This affects a WAGO industrial controller model used in automation environments. The issue lets a network-accessible attacker manipulate session cookie values to gain administrator-level access. That could expose configuration, disrupt operations, or change controller behavior. Public exploit information exists, but the provided sources do not show confirmed active exploitation.
Executive priority
Treat as high-priority for OT environments, especially where affected controllers are remotely reachable. The business risk is unauthorized administrative control of industrial automation equipment. Immediate focus should be exposure reduction, asset identification, and vendor-guided remediation planning.
Technical view
CVE-2022-50926 is a CWE-565 privilege escalation in WAGO 750-8212 PFC200 firmware 03.05.10(17). Cookie parameters including name and roles can be modified to elevate privileges to administrative level. CVSS is 9.8, network exploitable, low complexity, no privileges, no user interaction, with high confidentiality, integrity, and availability impact.
Likely exposure
Highest concern is any affected PFC200 web management interface reachable from corporate networks, remote access paths, or the internet. Exposure is lower if controllers are isolated in segmented OT networks with strict access control. The provided sources identify only firmware version 03.05.10(17) for WAGO 750-8212 PFC200.
Exploitation context
ExploitDB is listed as a public exploit reference, indicating exploit details are publicly available. The source bundle does not include CISA KEV status or other evidence of active exploitation. Because this is an unauthenticated network privilege escalation on industrial equipment, exposed systems should be treated as urgent.
Researcher notes
Evidence is limited to the CVE record, VulnCheck advisory, ExploitDB reference, and vendor homepage. No official patch version or mitigation is named in the provided bundle. Avoid assuming broader WAGO product impact beyond the listed 750-8212 PFC200 firmware 03.05.10(17).
Mitigation direction
- Identify WAGO 750-8212 PFC200 devices and firmware versions.
- Prioritize devices running firmware 03.05.10(17).
- Check WAGO guidance for fixed firmware or official mitigations.
- Restrict management interfaces to trusted administrative networks only.
- Block internet access to affected controller management services.
- Use OT network segmentation and access control lists.
Validation and detection
- Inventory controller model and firmware from asset records or management interfaces.
- Confirm whether web management is reachable from untrusted networks.
- Review access logs for unexpected administrative sessions or role changes.
- Verify compensating controls limit access to authorized OT administrators.
- Track remediation status against WAGO’s current advisory or support guidance.
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-565: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-50926 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-50793CVE reference · exploit
- Official Vendor HomepageCVE reference · product
- VulnCheck Advisory: WAGO 750-8212 PFC200 G2 2ETH RS Privilege EscalationCVE reference · third-party-advisory
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.
Reliance on Cookies without Validation and Integrity Checking
Reliance on Cookies without Validation and Integrity Checking represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.