Published:2023/12/11  Last Updated:2023/12/11

JVN#34145838
Multiple denial-of-service (DoS) vulnerabilities in JTEKT ELECTRONICS HMI GC-A2 series

Overview

HMI GC-A2 series provided by JTEKT ELECTRONICS CORPORATION contains multiple denial-of-service (DoS) vulnerabilities.

Products Affected

  • GC-A22W-CW all versions
  • GC-A24W-C(W) all versions
  • GC-A26W-C(W) all versions
  • GC-A24 all versions
  • GC-A24-M all versions
  • GC-A25 all versions
  • GC-A26 all versions
  • GC-A26-J2 all versions
  • GC-A27-C all versions
  • GC-A28-C all versions

Description

HMI GC-A2 series provided by JTEKT ELECTRONICS CORPORATION contains multiple denial-of-service (DoS) vulnerabilities listed below.

  • Denial-of-service (DoS) vulnerability in FTP service (CWE-400) - CVE-2023-41963
    CVSS v3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Base Score: 7.5
    CVSS v2 AV:N/AC:L/Au:N/C:N/I:N/A:C Base Score: 7.8
  • Denial-of-service (DoS) vulnerability in commplex-link service (CWE-400) - CVE-2023-49140
    CVSS v3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Base Score: 7.5
    CVSS v2 AV:N/AC:L/Au:N/C:N/I:N/A:C Base Score: 7.8
  • Denial-of-service (DoS) vulnerability in rfe service (CWE-400) - CVE-2023-49143
    CVSS v3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Base Score: 7.5
    CVSS v2 AV:N/AC:L/Au:N/C:N/I:N/A:C Base Score: 7.8
  • Denial-of-service (DoS) vulnerability in NetBIOS service (CWE-400) - CVE-2023-49713
    CVSS v3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Base Score: 7.5
    CVSS v2 AV:N/AC:L/Au:N/C:N/I:N/A:C Base Score: 7.8

Impact

A remote attacker may be able to cause a denial of service (DoS) condition by sending specially crafted packets to specific ports.

Solution

Apply the Workaround
Apply the following workaround to mitigate the impacts of these vulnerabilities.

  • Use a firewall or virtual private network (VPN), etc. to prevent unauthorized access when connecting the product to the Internet.

Vendor Status

Vendor Link
JTEKT ELECTRONICS CORPORATION [Update notice] HMI GC-A2 series

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Credit

JTEKT ELECTRONICS CORPORATION reported these vulnerabilities to IPA to notify users of the solution through JVN. JPCERT/CC and JTEKT ELECTRONICS CORPORATION coordinated under the Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2023-41963
CVE-2023-49140
CVE-2023-49143
CVE-2023-49713
JVN iPedia JVNDB-2023-000122