What’s Vulnerable › Vulnerabilities

CVE-2023-22278

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-01-17 · updated 2026-06-17
• Weakness: CWE-287

Description

m-FILTER prior to Ver.5.70R01 (Ver.5 Series) and m-FILTER prior to Ver.4.87R04 (Ver.4 Series) allows a remote unauthenticated attacker to bypass authentication and send users' unintended email when email is being sent under the certain conditions. The attacks exploiting this vulnerability have been observed.

Affected products

• Digital Arts Inc. m-FILTER Ver.5 Series and Ver.4 Series: from 4.0 before 4.87r04; from 5.0 before 5.70r01 — fixed in 4.87r04, 5.70r01

How to fix

Upgrade to a fixed version: Digital Arts Inc. m-FILTER Ver.5 Series and Ver.4 Series 4.87r04, 5.70r01. Check the vendor advisory for mitigations.

References

• https://jvn.jp/en/jp/JVN55675303/index.html
• https://jvn.jp/en/jp/JVN55675303/index.html

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