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Vulnerabilities

CVE-2026-53904 | BDVDB-2026-345006 Detail

MyComplianceOfficeMCO

Description#

MCO is vulnerable to Account Denial of Service due to improper implementation of password reset functionality. Each password reset request invalidates previously set password as well as previously issued temporary passwords, furthermore, password resets are not limited in any way. An attacker who provides victim's email and answer to their security question, can successfully initiate the reset process and continuously invalidate credentials, effectively locking the victim out of their account. Answering security questions has a limited number of tries which lowers the risk of this vulnerability. Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 25.3.3.1 but may also affect other versions.

Impact#

CAPEC-2 Inducing Account Lockout

Weaknesses#

  • CWE-307 Improper Restriction of Excessive Authentication Attempt
  • CWE-640 Weak Password Recovery Mechanism for Forgotten Password

References#

Exploit#

No public exploit known

History#

  1. Version 1Record published in the CVE List.