CVE-2021-25241
Published: 04 February 2021
Summary
CVE-2021-25241 is a medium-severity SSRF (CWE-918) vulnerability in Trendmicro Apex One. Its CVSS base score is 5.3 (Medium).
Operationally, ranked in the top 37.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-12152
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing attempts server-side requests to internal resources, identifying SSRF weaknesses for remediation.
Outbound connections to external resources can be monitored and limited at the boundary, reducing SSRF impact.
Validates server-side URLs and resource references to block SSRF attempts.
Detects server-side request forgery through monitoring of unexpected outbound connections.