SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-25241

A server-side request forgery (SSRF) information disclosure vulnerability in Trend Micro Apex One and Worry-Free Business Security 10.0 SP1 could allow an unauthenticated user to locate online agents via a sweep.

MEDIUM 5.3EPSS 1.87%

Does this matter?

Lower severity and a low EPSS score (1.87%). Track it; it rarely justifies an emergency change on its own.

Description

A server-side request forgery (SSRF) information disclosure vulnerability in Trend Micro Apex One and Worry-Free Business Security 10.0 SP1 could allow an unauthenticated user to locate online agents via a sweep.

CVSS 3.1
5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
1.87% probability · 79th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-918
Affected
trendmicro/apex one · trendmicro/worry-free business security
Source
security@trendmicro.com
EPSS trend
0%3%5%26 October 2026: 1.87%26 October 202626 October 2026

EPSS 1.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.