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TI-2023-23401 Aliases CVE-2023-43696GHSA-34rj-7m66-hcw6

Improper access control in SICK AG APU0200

Priority MEDIUM 50CWE-284Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284 and CWE-434.

Summary

Improper Access Control in SICK APU allows an unprivileged remote attacker to download as well as upload arbitrary files via anonymous access to the FTP server.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00883 59th 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-2023-23405 Missing authorization in SICK AG APU0200Priority MEDIUM 41
    • TI-2023-23404 Missing brute-force protection 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-2023-43696
  2. 2026-10-03 Alias added: GHSA-34rj-7m66-hcw6
  3. 2026-10-11 EPSS moved to the 50th–90th percentile

References

Advisory 2

Other 1

  • TI-2023-23405 Missing authorization in SICK AG APU0200 CVSS 3.1HIGH 7.7
  • TI-2023-23404 Missing brute-force protection in SICK AG APU0200 CVSS 3.1HIGH 7.5
  • 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