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High severity7.5NVD Advisory· Published Jan 20, 2021· Updated Jun 17, 2026

CVE-2020-27859

CVE-2020-27859

Description

This vulnerability allows remote attackers to disclose sensitive information on affected installations of NEC ESMPRO Manager 6.42. Authentication is not required to exploit this vulnerability. The specific flaw exists within the GetEuaLogDownloadAction class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM. Was ZDI-CAN-9607.

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Affected products

3
  • NEC/Esmpro Manager3 versions
    cpe:2.3:a:nec:esmpro_manager:6.42:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:nec:esmpro_manager:6.42:*:*:*:*:*:*:*
    • (no CPE)range: 6.42
    • (no CPE)range: 6.42

Patches

Vulnerability mechanics

References

1

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