CVE-2021-20617

high-risk

Published 2021-01-14

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.

Do I need to act?

51.2% chance of exploitation in next 30 days

EPSS score — higher than 49% of all CVEs

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (2)

Acmailer

Acmailer Db

Affected Vendors

Acmailer

References (4)

Third Party Advisory https://jvn.jp/en/jp/JVN35906450/index.html

Vendor Advisory https://www.acmailer.jp/info/de.cgi?id=101

Third Party Advisory https://jvn.jp/en/jp/JVN35906450/index.html

Vendor Advisory https://www.acmailer.jp/info/de.cgi?id=101

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high-risk

Severity 32/34 · Critical

Exploitability 18/34 · Moderate

Exposure 7/34 · Low