CVE-2017-7420

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-08-21 · updated 2026-06-17
Weakness: CWE-287

Description

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).

Affected products

Micro Focus Enterprise Developer: 2.3, 2.3-update1, 2.3-update2
Micro Focus Enterprise Server: through 2.3; 2.3-update1, 2.3-update2
Microfocus Enterprise Server Monitor And Control: all versions

References

https://community.microfocus.com/microfocus/mainframe_solutions/enterprise_server/w/knowledge_base/29131/enterprise-server-security-fixes-july-2017
https://community.microfocus.com/microfocus/mainframe_solutions/enterprise_server/w/knowledge_base/29131/enterprise-server-security-fixes-july-2017

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