medium
6.5
CWE
400
Advisory Published
Updated

CVE-2023-44321

First published: Tue Nov 14 2023(Updated: )

Affected devices do not properly validate the length of inputs when performing certain configuration changes in the web interface allowing an authenticated attacker to cause a denial of service condition. The device needs to be restarted for the web interface to become available again.

Credit: productcert@siemens.com

Affected SoftwareAffected VersionHow to fix
All of
Siemens 6GK5205-3BB00-2AB2<4.5
Siemens 6GK5205-3BB00-2AB2 Firmware
All of
Siemens 6GK5205-3BB00-2TB2<4.5
Siemens 6GK5205-3BB00-2TB2 Firmware
All of
Siemens 6GK5205-3BD00-2TB2<4.5
Siemens 6GK5205-3BD00-2TB2 Firmware
All of
Siemens 6GK5205-3BD00-2AB2<4.5
Siemens 6GK5205-3BD00-2AB2 Firmware
All of
Siemens 6GK5205-3BF00-2TB2<=4.5
Siemens 6GK5205-3BF00-2TB2 Firmware
All of
Siemens 6GK5205-3BF00-2AB2<4.5
Siemens 6GK5205-3BF00-2AB2 Firmware
All of
Siemens 6GK5208-0BA00-2TB2 Firmware<4.5
Siemens 6GK5208-0BA00-2TB2 Firmware
All of
Siemens 6GK5208 Firmware<4.5
Siemens 6GK5208-0BA00-2AB2 Firmware
All of
Siemens 6GK5213-3BD00<4.5
Siemens 6GK5213-3BD00-2TB2 Firmware
All of
Siemens 6GK5213-3BD00-2AB2<4.5
Siemens 6GK5213-3BD00
All of
Siemens 6GK5213-3BB00-2TB2<4.5
Siemens 6GK5213-3BB00-2TB2 Firmware
All of
Siemens 6GK5213-3BB00-2AB2<4.5
Siemens 6GK5213-3BB00-2AB2 Firmware
All of
Siemens 6GK5213-3BB00-2TB2<4.5
Siemens 6GK5213-3BF00-2TB2 Firmware
All of
Siemens 6GK5213-3BF00-2AB2<4.5
Siemens 6GK5213-3BF00-2AB2 Firmware
All of
Siemens 6GK5216-0BA00-2TB2<4.5
Siemens 6GK5216-0BA00-2TB2 Firmware
All of
Siemens 6GK5216 Firmware<4.5
Siemens 6GK5216-0BA00-2AB2 Firmware
All of
Siemens 6GK5206-2BD00-2AC2<4.5
Siemens 6GK5206-2BD00-2AC2 Firmware
All of
Siemens 6GK5206-2BB00-2AC2<4.5
siemens 6gk5206-2bb00-2ac2 firmware
All of
Siemens 6GK5206-2RS00-2AC2 Firmware<4.5
Siemens 6GK5206-2RS00-2AC2 Firmware
All of
Siemens 6GK5206-2RS00-5FC2<4.5
Siemens 6GK5206-2RS00-5FC2
All of
Siemens 6GK5206-2RS00-5FC2<4.5
Siemens 6GK5206-2RS00-5FC2 Firmware
All of
Siemens 6GK5206-2BS00-2AC2<4.5
Siemens 6GK5206-2BS00-2AC2
All of
Siemens 6GK5206-2BS00-2FC2<4.5
Siemens 6GK5206-2BS00-2FC2 Firmware
All of
Siemens 6GK5206-2GS00-2AC2 Firmware<4.5
Siemens 6GK5206-2GS00-2AC2 Firmware
All of
Siemens 6GK5206-2GS00-2TC2<4.5
Siemens 6GK5206-2GS00-2TC2 Firmware
All of
Siemens 6GK5206-2GS00-2FC2<4.5
Siemens 6GK5206-2GS00-2FC2 Firmware
All of
Siemens 6GK5208 Firmware<4.5
Siemens 6GK5208-0BA00-2AC2
All of
Siemens 6GK5208 Firmware<4.5
Siemens 6GK5208-0BA00-2FC2 Firmware
All of
Siemens 6GK5208-0GA00-2AC2<4.5
Siemens 6GK5208-0GA00-2AC2
All of
Siemens 6GK5208-0GA00-2TC2<4.5
Siemens 6GK5208-0GA00-2TC2 Firmware
All of
Siemens 6GK5208 Firmware<4.5
Siemens 6GK5208-0GA00-2FC2 Firmware
All of
Siemens 6GK5208-0RA00-2AC2 Firmware<4.5
Siemens 6GK5208-0RA00-2AC2 Firmware
All of
Siemens 6GK5208-0RA00-5AC2<4.5
Siemens 6GK5208-0RA00-5AC2 Firmware
All of
Siemens 6GK5216-0BA00-2AC2<4.5
siemens 6gk5216-0ba00-2ac2 firmware
All of
Siemens 6GK5216-3RS00-2AC2<4.5
Siemens 6GK5216-3RS00-2AC2 Firmware
All of
Siemens 6GK5216-3RS00-5AC2<4.5
Siemens 6GK5216-3RS00-5AC2 Firmware
All of
Siemens 6GK5216-4BS00-2AC2 Firmware<4.5
siemens 6gk5216-4bs00-2ac2 firmware
All of
Siemens 6GK5216-4GS00-2AC2<4.5
Siemens 6GK5216-4GS00-2AC2 Firmware
All of
Siemens 6GK5216-4GS00-2TC2<4.5
Siemens 6GK5216-4GS00-2TC2 Firmware
All of
Siemens 6GK5216-4GS00-2FC2<4.5
Siemens 6GK5216-4GS00-2FC2 Firmware
All of
Siemens 6GK5216-0BA00-2FC2<4.5
Siemens 6GK5216-0BA00-2FC2 Firmware
All of
Siemens 6GK5224-0BA00-2AC2<4.5
Siemens 6GK5224-0BA00-2AC2 Firmware
All of
Siemens 6GK5224-4GS00-2AC2<4.5
Siemens 6GK5224-4GS00-2AC2 Firmware
All of
Siemens 6GK5224-4GS00-2AC2<4.5
Siemens 6GK5224-4GS00-2TC2 Firmware
All of
Siemens 6GK5224-4GS00-2FC2<4.5
Siemens 6GK5224-4GS00-2FC2 Firmware
All of
Siemens 6GK5204-0BA00-2GF2<4.5
siemens 6gk5204-0ba00-2gf2 firmware
All of
Siemens 6GK5204-2AA00-2YF2 Firmware<4.5
Siemens 6GK5204-2AA00-2YF2 Firmware
All of
Siemens 6GK5204-2AA00-2GF2<4.5
Siemens 6GK5204-2AA00-2GF2 Firmware
All of
Siemens 6GK5204-2AA00-2YF2 Firmware<4.5
Siemens 6GK5204-2AA00-2YF2 Firmware
All of
Siemens 6GK5208-0HA00-2AS6 Firmware<4.5
Siemens 6GK5208-0HA00-2AS6 Firmware
All of
Siemens 6GK5208-0HA00-2TS6<4.5
Siemens 6GK5208-0HA00-2TS6 Firmware
All of
Siemens 6GK5208-0HA00-2ES6 Firmware<4.5
Siemens 6GK5208-0HA00-2ES6 Firmware
All of
Siemens 6GK5208-0UA00-5ES6<4.5
Siemens 6GK5208-0UA00-5ES6 Firmware
All of
Siemens 6GK5216-0HA00-2AS6<4.5
Siemens 6GK5216-0HA00-2AS6 Firmware
All of
Siemens 6GK5216-0HA00-2TS6<4.5
Siemens 6GK5216-0HA00-2TS6 Firmware
All of
Siemens 6GK5216-0HA00-2AS6<4.5
Siemens 6GK5216-0HA00-2ES6 Firmware
All of
Siemens 6GK5216-0UA00-5ES6<4.5
Siemens 6GK5216-0UA00-5ES6 Firmware
All of
Siemens 6GK5324-0BA00-3AR3<4.5
Siemens 6GK5324-0BA00-3AR3 Firmware
All of
Siemens 6GK5324-0BA00-2AR3<4.5
Siemens 6GK5324-0BA00-2AR3 Firmware
All of
Siemens 6GK5326-2QS00-3AR3 Firmware<4.5
siemens 6gk5326-2qs00-3ar3 firmware
All of
Siemens 6GK5326-2QS00-3RR3<4.5
Siemens 6GK5326-2QS00-3RR3 Firmware
All of
Siemens 6GK5328-4FS00-3AR3<4.5
Siemens 6GK5328-4FS00-3AR3
All of
Siemens 6GK5328-4FS00-3RR3<4.5
Siemens 6GK5328-4FS00-3RR3 Firmware
All of
Siemens 6GK5328-4FS00-2AR3<4.5
Siemens 6GK5328-4FS00-2AR3 Firmware
All of
Siemens 6GK5328-4FS00-2RR3<4.5
Siemens 6GK5328-4FS00-2RR3 Firmware
All of
Siemens 6GK5328-4SS00-3AR3<4.5
Siemens 6GK5328-4SS00-3AR3 Firmware
All of
Siemens 6GK5328-4SS00-2AR3<4.5
Siemens 6GK5328-4SS00-2AR3 Firmware
All of
Siemens 6AG1206-2BB00-7AC2<4.5
Siemens 6AG1206-2BB00-7AC2
All of
Siemens 6AG1206-2BS00-7AC2<4.5
Siemens 6AG1206-2BS00-7AC2 Firmware
All of
Siemens 6AG1208-0BA00-7AC2<4.5
Siemens 6AG1208-0BA00-7AC2 Firmware
All of
Siemens 6AG1216-4BS00-7AC2<4.5
Siemens 6AG1216-4BS00-7AC2 Firmware

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-44321?

    CVE-2023-44321 is classified as a medium severity vulnerability due to its potential to cause a denial of service condition.

  • How do I fix CVE-2023-44321?

    To mitigate CVE-2023-44321, ensure that affected devices are updated to a patched version of the firmware above 4.5.

  • What devices are impacted by CVE-2023-44321?

    The devices impacted by CVE-2023-44321 include various models of Siemens 6GK5205 and 6GK5208 series.

  • Can CVE-2023-44321 be exploited remotely?

    No, CVE-2023-44321 requires an authenticated attacker to exploit the vulnerability through the web interface.

  • What are the consequences of CVE-2023-44321 being exploited?

    Exploitation of CVE-2023-44321 can lead to a denial of service condition, requiring a restart of the affected device to recover.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203