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TI-2023-03892 Aliases CVE-2023-4203GHSA-mfq6-hv3w-q46x

Stored cross-site scripting in Advantech EKI-1524

Priority HIGH 74CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Advantech EKI-1524, EKI-1522, EKI-1521 devices through 1.21 are affected by a Stored Cross-Site Scripting vulnerability, which can be triggered by authenticated users in the ping tool of the web-interface.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01079 65th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
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
AdvantechEKI-1524up to 1.24—No fix listedCNA
AdvantechEKI-1522up to 1.24—No fix listedCNA
AdvantechEKI-1521up to 1.24—No fix listedCNA
  • EKI-1524 VendorAdvantech Affected up to 1.24 Fixed in — No fix listed CNA
  • EKI-1522 VendorAdvantech Affected up to 1.24 Fixed in — No fix listed CNA
  • EKI-1521 VendorAdvantech Affected up to 1.24 Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:advantech:eki-1524_firmware:*:*:*:*:*:*:*:*up to 1.24VulnerableAdvantech
cpe:2.3:h:advantech:eki-1524:-:*:*:*:*:*:*:*not specified by NVDRunning onAdvantech
cpe:2.3:o:advantech:eki-1522_firmware:*:*:*:*:*:*:*:*up to 1.24VulnerableAdvantech
cpe:2.3:h:advantech:eki-1522:-:*:*:*:*:*:*:*not specified by NVDRunning onAdvantech
cpe:2.3:o:advantech:eki-1521_firmware:*:*:*:*:*:*:*:*up to 1.24VulnerableAdvantech
cpe:2.3:h:advantech:eki-1521:-:*:*:*:*:*:*:*not specified by NVDRunning onAdvantech
  • cpe:2.3:o:advantech:eki-1524_firmware:*:*:*:*:*:*:*:* Versions up to 1.24 Vulnerable ·Advantech
  • cpe:2.3:h:advantech:eki-1524:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Advantech
  • cpe:2.3:o:advantech:eki-1522_firmware:*:*:*:*:*:*:*:* Versions up to 1.24 Vulnerable ·Advantech
  • cpe:2.3:h:advantech:eki-1522:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Advantech
  • cpe:2.3:o:advantech:eki-1521_firmware:*:*:*:*:*:*:*:* Versions up to 1.24 Vulnerable ·Advantech
  • cpe:2.3:h:advantech:eki-1521:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Advantech

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-4203
  2. 2026-10-03 Alias added: GHSA-mfq6-hv3w-q46x

References

  • TI-2023-03891 Stored cross-site scripting in Advantech EKI-1524 CVSS 3.1CRITICAL 9.0
  • TI-2023-02407 Authenticated buffer overflow in Advantech EKI-1524 CVSS 3.1HIGH 8.8
  • TI-2023-02406 Authenticated command injection in Advantech EKI-1524 CVSS 3.1HIGH 8.8
  • TI-2023-02405 Authenticated command injection in Advantech EKI-1524 CVSS 3.1HIGH 8.8

Sources