Vulnerability record · CVE-2021-20617 · published 14 January 2021
CVE-2021-20617: Acmailer vulnerability
Acmailer · Acmailer
Improper access control vulnerability in acmailer ver. 4.0.1 and earlier, and acmailer DB ver. 1.1.3 and earlier allows remote attackers to execute an arbitrary OS command, or gain an administrative privilege which may result in obtaining the sensitive information on the server via unspecified vectors.
Description
Improper access control vulnerability in acmailer ver. 4.0.1 and earlier, and acmailer DB ver. 1.1.3 and earlier allows remote attackers to execute an arbitrary OS command, or gain an administrative privilege which may result in obtaining the sensitive information on the server via unspecified vectors.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | Tags |
|---|---|
| https://jvn.jp/en/jp/JVN35906450/index.html | Third Party Advisory |
| https://www.acmailer.jp/info/de.cgi?id=101 | Vendor Advisory |
| https://jvn.jp/en/jp/JVN35906450/index.html | Third Party Advisory |
| https://www.acmailer.jp/info/de.cgi?id=101 | Vendor Advisory |
Track CVE-2021-20617 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
Source: NIST National Vulnerability Database (record CVE-2021-20617), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.
