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TI-2023-23404 Aliases CVE-2023-43699GHSA-cfjm-49ph-8gv8

Missing brute-force protection in SICK AG APU0200

Priority MEDIUM 41CWE-307Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-307.

Summary

Improper Restriction of Excessive Authentication Attempts in RDT400 in SICK APU allows an unprivileged remote attacker to guess the password via trial-and-error as the login attempts are not limited.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00985 62nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SICK AGAPU0200all versions and later—No fix listedCNA
  • APU0200 VendorSICK AG Affected all versions and later Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:sick:apu0200_firmware:*:*:*:*:*:*:*:*before 4.0.0.6VulnerableSICK AG
cpe:2.3:h:sick:apu0200:-:*:*:*:*:*:*:*not specified by NVDRunning onSICK AG
  • cpe:2.3:o:sick:apu0200_firmware:*:*:*:*:*:*:*:* Versions before 4.0.0.6 Vulnerable ·SICK AG
  • cpe:2.3:h:sick:apu0200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SICK AG

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    SICK APU0200 — sick.com/.well-known/csaf/white/2023/sca-2023-0010.pdf

    9 records Highest priority Priority MEDIUM 3 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2023-23401 Improper access control in SICK AG APU0200Priority MEDIUM 50
    • TI-2023-23405 Missing authorization in SICK AG APU0200Priority MEDIUM 41
    • TI-2023-23402 Modification of Assumed-Immutable Data (MAID) in RDT400 in SICK APU allows an…Priority LOW 36
    Show all 9 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-43699
  2. 2026-10-03 Alias added: GHSA-cfjm-49ph-8gv8

References

Advisory 2

Other 1

  • TI-2023-23401 Improper access control in SICK AG APU0200 CVSS 3.1CRITICAL 9.8
  • TI-2023-23405 Missing authorization in SICK AG APU0200 CVSS 3.1HIGH 7.7
  • TI-2023-23402 Modification of Assumed-Immutable Data (MAID) in RDT400 in SICK APU allows an… CVSS 3.1MEDIUM 6.5
  • TI-2023-23403 Cross-site scripting in SICK AG APU0200 CVSS 3.1HIGH 7.1
  • TI-2023-04692 Insufficient Control Flow Management in RDT400 in SICK APU allows an unprivileged remote… CVSS 3.1MEDIUM 5.3
  • TI-2023-04691 Files or Directories Accessible to External Parties in RDT400 in SICK APU allows an… CVSS 3.1MEDIUM 5.3
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences