Read the docs
TI-2023-09295 Aliases CVE-2023-23453GHSA-r2fh-99j3-j6mx

Missing authentication in FX0-GENT v3 Firmware

Priority MEDIUM 51CWE-306Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-306.

Summary

Missing Authentication for Critical Function in SICK FX0-GENT v3 Firmware Version V3.04 and V3.05 allows an unprivileged remote attacker to achieve arbitrary remote code execution via maliciously crafted RK512 commands to the listener on TCP port 9000.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01098 65th 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
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
—FX0-GENT v3 FirmwareVersion V3.04 and V3.05—No fix listedCNA
  • FX0-GENT v3 Firmware Vendor— Affected Version V3.04 and V3.05 Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:sick:fx0-gent00010_firmware:3.04:*:*:*:*:*:*:*3.04VulnerableSICK AG
cpe:2.3:o:sick:fx0-gent00010_firmware:3.05:*:*:*:*:*:*:*3.05VulnerableSICK AG
cpe:2.3:h:sick:fx0-gent00010:-:*:*:*:*:*:*:*not specified by NVDRunning onSICK AG
cpe:2.3:o:sick:fx0-gent00000_firmware:3.04:*:*:*:*:*:*:*3.04VulnerableSICK AG
cpe:2.3:o:sick:fx0-gent00000_firmware:3.05:*:*:*:*:*:*:*3.05VulnerableSICK AG
cpe:2.3:h:sick:fx0-gent00000:-:*:*:*:*:*:*:*not specified by NVDRunning onSICK AG
  • cpe:2.3:o:sick:fx0-gent00010_firmware:3.04:*:*:*:*:*:*:* Versions 3.04 Vulnerable ·SICK AG
  • cpe:2.3:o:sick:fx0-gent00010_firmware:3.05:*:*:*:*:*:*:* Versions 3.05 Vulnerable ·SICK AG
  • cpe:2.3:h:sick:fx0-gent00010:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SICK AG
  • cpe:2.3:o:sick:fx0-gent00000_firmware:3.04:*:*:*:*:*:*:* Versions 3.04 Vulnerable ·SICK AG
  • cpe:2.3:o:sick:fx0-gent00000_firmware:3.05:*:*:*:*:*:*:* Versions 3.05 Vulnerable ·SICK AG
  • cpe:2.3:h:sick:fx0-gent00000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SICK AG

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-23453
  2. 2026-10-03 Alias added: GHSA-r2fh-99j3-j6mx

References

  • TI-2023-09293 Missing authentication in SICK FX0-GENT00000, SICK FX0-GENT00030, SICK FX0-GMOD00000… CVSS 3.1CRITICAL 9.8
  • TI-2023-09286 Missing authentication in SICK AG UE410-EN3 FLEXI ETHERNET GATEW. CVSS 3.1HIGH 8.2
  • TI-2023-04823 Improper authentication in SICK AG FX0-GMOD00000 CVSS 3.1HIGH 8.8
  • TI-2019-10965 SICK FX0-GPNT00000 and FX0-GENT00000 devices through 3.4.0 have a Buffer Overflow CVSS 3.1HIGH 7.5

Sources