Security readout for executives and security teams
Plain-English summary
CVE-2026-22920 affects SICK AG TDC-X401GL devices. Passwords are not adequately salted, which can make extracted password data easier to attack. The published severity is low because impact is limited to confidentiality and exploitation is rated high complexity. For industrial environments, treat it as a credential-protection weakness requiring exposure review and vendor-guidance tracking.
Executive priority
Handle through normal vulnerability management with industrial-network awareness. This is not currently a high-urgency exploit-driven issue, but weak credential protection can amplify other incidents. Prioritize inventory, exposure reduction, and vendor-advisory monitoring.
Technical view
The CVE maps to CWE-1391 and affects all versions of SICK TDC-X401GL. CVSS v3.1 is 3.7 with AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N. The issue concerns inadequate password salting, increasing risk if password material can be obtained. The provided sources do not name a specific patch, firmware version, or confirmed exploit activity.
Likely exposure
Exposure is limited to organizations using SICK TDC-X401GL devices. Risk increases where device management services are reachable from untrusted networks or where password data could be accessed through other weaknesses, backups, or service channels.
Exploitation context
CISA KEV status is false in the provided bundle, and no cited source reports active exploitation. The CVSS vector indicates network reachability but high attack complexity, no privileges, no user interaction, and low confidentiality impact only.
Researcher notes
Evidence is sparse in the provided bundle. The core issue is inadequate password salting, not a complete authentication bypass. Avoid assuming password extraction is directly possible without another access path. No patch, workaround, or exploit status is confirmed by the supplied sources.
Mitigation direction
- Check the SICK PSIRT advisory for current remediation or firmware guidance.
- Apply SICK cybersecurity operating guidelines for device hardening.
- Use CISA ICS practices for segmentation and restricted remote access.
- Limit management interfaces to trusted administrative networks.
- Review whether exposed devices can be isolated until vendor guidance is clear.
- Plan password rotation after vendor-recommended remediation or configuration changes.
Validation and detection
- Inventory SICK TDC-X401GL devices and record firmware versions.
- Confirm whether any management services are reachable from untrusted networks.
- Review SICK PSIRT and CSAF advisory for updated product status.
- Verify segmentation and access controls around affected devices.
- Check logs for unusual administrative access attempts.
- Document compensating controls for any device that cannot be remediated.
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-1391: 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 lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-22920 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
- Low
- CVSS
- 3.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
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:H/PR:N/UI:N/S:U/C:L/I:N/A:N2.21.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
3.7LowVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://sick.com/psirtCVE reference · x_SICK PSIRT Security Advisories
- https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdfCVE reference · x_SICK Operating Guidelines
- https://www.cisa.gov/resources-tools/resources/ics-recommended-practicesCVE reference · x_ICS-CERT recommended practices on Industrial Security
- https://www.first.org/cvss/calculator/3.1CVE reference · x_CVSS v3.1 Calculator
- https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0001.jsonCVE reference · x_The canonical URL.
- https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0001.pdfCVE reference · vendor-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.
Use of Weak Credentials
Use of Weak Credentials represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.