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CVE-2023-22278

MEDIUM
5.3
CVSS Score
Published: January 17, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:34 AM UTC
2 products affected across 2 vendorsM FilterM Filter

Using m-FILTER Ver.5 Series and Ver.4 Series by Digital Arts Inc.?

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

M Filter· Daj
95%
4.0 ≤ v < 4.87r045.0 ≤ v < 5.70r01
Affected range stops below 4.87r04, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.70r01, so it looks safe — our inference, not a vendor statement
M Filter· Digital Arts
60%
m-FILTER prior to Ver.5.70R01 (Ver.5 Series) and m-FILTER prior to Ver.4.87R04 (Ver.4 Series)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Third Party Advisory
Source: [email protected]
https://jvn.jp/en/jp/JVN55675303/index.html

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfoCWE-287

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