CVE intelligence and bounded remediation

CVE-2020-15601 — Trendmicro Deep Security Manager security vulnerability

High CVSS 8.1

If LDAP authentication is enabled, an LDAP authentication bypass vulnerability in Trend Micro Deep Security 10.x-12.x could allow an unauthenticated attacker with prior knowledge of the targeted organization to bypass manager authentication. Enabling multi-factor authentication prevents this attack. Installations using manager native authentication or SAML authentication are not impacted by this vulnerability.

Severity
High
CVSS
8.1 (3.1)
Published
2020-08-27
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-287

Affected products

  • trendmicro / deep_security_manager / 10.0
  • trendmicro / deep_security_manager / 11.0
  • trendmicro / deep_security_manager / 12.0
  • trendmicro / vulnerability_protection / 2.0

Matched remediation archetype

Authentication bypass and missing authentication

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Check exposure

  • Map every affected endpoint and protocol path, including alternate ports, legacy routes, recovery flows, service accounts, and machine-to-machine access.
  • Confirm which deployments enable the affected authentication mode and whether the interface is reachable from untrusted networks.
  • Review session, token, credential, and proxy trust configuration without attempting account takeover.

Remediate safely

  • Apply the supported fix and centralize fail-closed authentication before protected request handling.
  • Remove default or embedded credentials, rotate affected secrets and sessions, and bind authentication decisions to the intended audience and channel.
  • Add negative tests for alternate routes, malformed or absent credentials, recovery flows, and proxy-derived identity.

Authoritative sources

Complete CVE record and remediation plan

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