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CVE-2023-46663

Improper Access Control in Sielco PolyEco1000

HIGH

8.1

CVSS Score

Published: October 26, 2023 at 08:02 PM UTC

Updated: June 17, 2026 at 06:31 AM UTC

6 products affected across 1 vendorPOLYECO300 FirmwarePOLYECO1000 FirmwarePOLYECO500 Firmware

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Severity

HIGH8.1

Exploit prediction

EPSS 0.6%

SSVC

No known exploit

Description

Sielco PolyEco1000 is vulnerable to an attacker bypassing authorization and accessing resources behind protected pages. The application interface allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

POLYECO1000 Firmware · Sielco

95%

1.9.3 1.9.4 10.19 2.0.6 CPU:1.7.0 FPGA:10.16 CPU:1.9.3 FPGA:10.19 CPU:1.9.4 FPGA:10.19 CPU:2.0.0 FPGA:10.19 CPU:2.0.2 FPGA:10.19 CPU:2.0.6 FPGA:10.19

sielco-polyeco1000 (same device)

POLYECO300 Firmware · Sielco

95%

10.19 2.0.0 2.0.2

sielco-polyeco300 (same device)

POLYECO500 Firmware · Sielco

95%

sielco-polyeco500 (same device)

Polyeco1000 · Sielcodevice

80%

All versions

Polyeco300 · Sielcodevice

80%

All versions

Polyeco500 · Sielcodevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Third Party AdvisoryUS Government Resource

Source: [email protected]

https://www.cisa.gov/news-events/ics-advisories/icsa-23-299-07

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-284NVD-CWE-noinfo

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