Improper input validation vulnerability in Newsletter Software SuperMailer affecting version 11.20.0.2204. An attacker could exploit this vulnerability by sending a malicious configuration file (file with SMB extension) to a user via a link or email attachment and persuade the user to open the file with the affected software on the local system. A successful exploit could allow the attacker to crash the application when attempting to load the malicious file.

References

• https://nvd.nist.gov/vuln/detail/CVE-2023-6381
• https://www.incibe.es/en/incibe-cert/notices/aviso/improper-input-validation-newsletter-software-supermailer