Serious Mitel Vulnerability Allows Hackers to Bypass Login and Access MiVoice MX-ONE Systems
July 24, 2025
Vulnerability / Network Security
Mitel has issued security updates to fix a critical vulnerability in MiVoice MX-ONE that could enable attackers to bypass authentication measures. According to a recent advisory, “An authentication bypass vulnerability has been detected in the Provisioning Manager component of Mitel MiVoice MX-ONE. If exploited, this flaw could allow an unauthorized attacker to execute an authentication bypass due to faulty access control.” A successful exploitation could grant attackers unauthorized access to both user and admin accounts within the system.
This vulnerability, which has not yet been assigned a CVE identifier, has a CVSS score of 9.4 out of 10. It impacts MiVoice MX-ONE versions ranging from 7.3 (7.3.0.0.50) to 7.8 SP1 (7.8.1.0.14). Patches have been released under MXO-15711_78SP0 and MXO-15711_78SP1 for versions 7.8 and 7.8 SP1, respectively. Customers using MiVoice MX-ONE are encouraged to apply the updates promptly to mitigate the risk.
Vulnerability / Network Security
Mitel Urges Immediate Action Following Critical Vulnerability in MiVoice MX-ONE Systems On July 24, 2025, Mitel disclosed a significant security vulnerability within its MiVoice MX-ONE communications platform, which could potentially enable attackers to bypass authentication mechanisms and gain unauthorized access to the system. The company emphasized that this flaw resides…
Serious Mitel Vulnerability Allows Hackers to Bypass Login and Access MiVoice MX-ONE Systems
July 24, 2025
Vulnerability / Network Security
Mitel has issued security updates to fix a critical vulnerability in MiVoice MX-ONE that could enable attackers to bypass authentication measures. According to a recent advisory, “An authentication bypass vulnerability has been detected in the Provisioning Manager component of Mitel MiVoice MX-ONE. If exploited, this flaw could allow an unauthorized attacker to execute an authentication bypass due to faulty access control.” A successful exploitation could grant attackers unauthorized access to both user and admin accounts within the system.
This vulnerability, which has not yet been assigned a CVE identifier, has a CVSS score of 9.4 out of 10. It impacts MiVoice MX-ONE versions ranging from 7.3 (7.3.0.0.50) to 7.8 SP1 (7.8.1.0.14). Patches have been released under MXO-15711_78SP0 and MXO-15711_78SP1 for versions 7.8 and 7.8 SP1, respectively. Customers using MiVoice MX-ONE are encouraged to apply the updates promptly to mitigate the risk.