Security readout for executives and security teams
Plain-English summary
CVE-2023-35696 affects SICK ICR890-4 devices. Certain unauthenticated HTTP endpoints may expose sensitive device information to a remote attacker without login. The main business concern is information leakage that could support reconnaissance or targeting of industrial systems.
Executive priority
Treat as high priority for OT or industrial environments. Prioritize finding exposed devices, limiting management access, and following SICK guidance. Urgency is higher if devices are reachable from corporate, vendor, or internet-facing networks.
Technical view
The issue is classified as CWE-668 and scored CVSS 7.5. The vector is network-reachable, low complexity, no privileges, no user interaction, unchanged scope, with high confidentiality impact and no stated integrity or availability impact.
Likely exposure
Exposure is most likely where SICK ICR890-4 devices have HTTP interfaces reachable from untrusted networks. The provided bundle lists the product as affected but gives limited version detail, so asset inventory and vendor advisory review are necessary.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. It does support unauthenticated remote information retrieval over HTTP, which is serious when device interfaces are exposed beyond trusted operational networks.
Researcher notes
The source bundle supports confidentiality-only impact via unauthenticated HTTP endpoints. It does not provide exploit details, a fixed version, or active exploitation evidence. Affected-version data appears sparse, so validation should rely on SICK advisory and local asset data.
Mitigation direction
- Identify all deployed SICK ICR890-4 devices.
- Restrict HTTP access to trusted management networks only.
- Remove any direct internet exposure for device interfaces.
- Check SICK PSIRT and advisory SCA-2023-0006 for current remediation guidance.
- Monitor device access logs for unexpected unauthenticated requests.
Validation and detection
- Confirm whether ICR890-4 devices exist in inventory.
- Verify device HTTP interfaces are not externally reachable.
- Compare deployed device details against SICK advisory SCA-2023-0006.
- Review firewall rules protecting management access.
- Check recent logs for suspicious unauthenticated HTTP activity.
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-668: Exact CWE lookup
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Open ATT&CK lookupCVE-2023-35696 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
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://sick.com/psirtCVE reference · issue-tracking
- https://sick.com/.well-known/csaf/white/2023/sca-2023-0006.pdfCVE reference · vendor-advisory
- https://sick.com/.well-known/csaf/white/2023/sca-2023-0006.jsonCVE reference · x_csaf
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.
Exposure of Resource to Wrong Sphere
Exposure of Resource to Wrong Sphere represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.