SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-20617

Improper access control vulnerability in acmailer ver.

CRITICAL 9.8EPSS 7.87%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (7.87%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
7.87% probability · 94th percentile
CISA KEV
Not listed
Affected
acmailer/acmailer · acmailer/acmailer db
Source
vultures@jpcert.or.jp

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