Vulnerability · Published Jan 20, 2021 · Assigned by zdi

CVE-2020-27859

High 7.5

In plain English

A high-severity path traversal in ESMPRO Manager from NEC. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.9% (higher than 87% of all known vulnerabilities).

Severity (CVSS 3.0)7.5High

Exploit odds (30 days)2.9%top 12.8% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
NEC	ESMPRO Manager	6.42

Weakness: CWE-22 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

https://www.zerodayinitiative.com/advisories/ZDI-20-736/ x_refsource_MISC