An Authentication Bypass (CWE-287) vulnerability in ESMAC (aka Enterprise Server Monitor and Control) in Micro Focus Enterprise Developer a…

published 2017-08-21 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16444

cvss: 9.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.4%; EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits: 0; none known

An Authentication Bypass (CWE-287) vulnerability in ESMAC (aka Enterprise Server Monitor and Control) in Micro Focus Enterprise Developer and Enterprise Server 2.3 and earlier, 2.3 Update 1 before Hotfix 8, and 2.3 Update 2 before Hotfix 9 allows remote unauthenticated attackers to view and alter configuration information and alter the state of the running product (CWE-275).

Exploit prediction

2.44% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

Micro Focus Micro Focus Enterprise Developer, Micro Focus Enterprise Server

Classification

Weakness

CWE-287 Improper Authentication

References

community.microfocus.com /microfocus/mainframe_solutions/enterprise_server/w/knowledge_base/29131/enterprise-server-security-fixes-july

Sources

CVE List CVE-2017-7420
NVD CVE-2017-7420

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary