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High severity7.5NVD Advisory· Published Oct 21, 2021· Updated Jun 17, 2026

CVE-2021-23139

CVE-2021-23139

Description

A null pointer vulnerability in Trend Micro Apex One and Worry-Free Business Security 10.0 SP1 could allow an attacker to crash the CGI program on affected installations.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

8
  • Trend Micro/Apex One3 versions
    cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:*
    • cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:saas:*:*:*
    • (no CPE)range: 10.0 SP1
  • Trend Micro/Worry Free Business Security3 versions
    cpe:2.3:a:trendmicro:worry-free_business_security:10.0:sp1:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:trendmicro:worry-free_business_security:10.0:sp1:*:*:*:*:*:*
    • (no CPE)range: 10.0 SP1
    • (no CPE)range: 10.0 SP1
  • Trend Micro/Worry Free Business Security Services
    cpe:2.3:a:trendmicro:worry-free_business_security_services:-:*:*:*:saas:*:*:*
  • Trend Micro/Trend Micro Apex Onev5
    Range: 2019

Patches

Vulnerability mechanics

References

2

News mentions

0

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