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CVE Record

CVE-2023-3272: Cleartext Transmission of Sensitive Information in the SICK ICR890-4 could allow a remote attacker to gathe...

Cleartext Transmission of Sensitive Information in the SICK ICR890-4 could allow a remote attacker to gather sensitive information by intercepting network traffic that is not encrypted.

HighCVSS 7.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

SICK ICR890-4 may send sensitive information without encryption. An attacker who can observe that network traffic could read the data. The main business risk is confidentiality loss in environments where these devices handle operational or sensitive information.

Executive priority

Treat as high priority where ICR890-4 is used in production or sensitive OT environments. Prioritize asset confirmation, network containment, and vendor remediation review before broader operational changes.

Technical view

CVE-2023-3272 is CWE-319 cleartext transmission in SICK AG ICR890-4. CVSS 3.1 is 7.5 high: network exploitable, low complexity, no privileges, no user interaction, high confidentiality impact, no stated integrity or availability impact.

Likely exposure

Exposure is limited to organizations using SICK ICR890-4. Risk is higher where device traffic crosses shared, routed, wireless, remote-access, or insufficiently segmented networks. The bundle does not define affected firmware ranges beyond the affected product entry.

Exploitation context

The source bundle does not report active exploitation, and KEV is false. Exploitation requires a position to intercept unencrypted network traffic. The evidence supports data exposure through traffic observation, not device takeover.

Researcher notes

Evidence is sparse in the bundle: product, weakness class, CVSS vector, and vendor advisory links are provided, but no exploit details or explicit patch version are included. Avoid claims beyond confidentiality exposure from cleartext traffic.

Mitigation direction

  • Review SICK PSIRT and advisory SCA-2023-0006 for vendor-approved remediation.
  • Inventory all SICK ICR890-4 deployments and owners.
  • Restrict device traffic to trusted, segmented OT networks.
  • Use encrypted transport where supported by vendor configuration.
  • Avoid sending sensitive data over untrusted paths until remediated.
  • Apply vendor firmware or configuration fixes if SICK provides them.

Validation and detection

  • Confirm whether any ICR890-4 devices are deployed.
  • Map network paths carrying ICR890-4 traffic.
  • Verify whether sensitive communications are encrypted or isolated.
  • Check SICK advisory status for affected versions and remediation.
  • Review monitoring for unexpected access to device network segments.
Prepared
Confidence
medium
Sources
5

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · low confidence lookup

CWE-319: 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 lookup
cve · low confidence lookup

CVE-2023-3272 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
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

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2023-3272Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
SICK AGICR890-40affected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-319 · source CWE mapping

Cleartext Transmission of Sensitive Information

Cleartext Transmission of Sensitive Information represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.