SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-22278

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.

MEDIUM 5.3EPSS 0.71%

Does this matter?

Lower severity and a low EPSS score (0.71%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS
0.71% probability · 51th percentile
CISA KEV
Not listed
Weakness
CWE-287
Affected
daj/m-filter
Source
vultures@jpcert.or.jp

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.