{"cve":"CVE-2023-6381","nvd":{"published":"2023-12-13T11:15:07.830","modified":"2026-06-17T06:50:39.010","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-20"],"references":["https://www.incibe.es/en/incibe-cert/notices/aviso/improper-input-validation-newsletter-software-supermailer","https://www.incibe.es/en/incibe-cert/notices/aviso/improper-input-validation-newsletter-software-supermailer"],"products":["supermailer:supermailer"],"source":"nvd","synced_at":"2026-10-19T21:42:34.585441961+00:00"},"epss":{"cve":"CVE-2023-6381","score":0.0022,"percentile":0.12636,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}