Reflected and stored Cross-Site Scripting (XSS, CWE-79) vulnerabilities in Directory Server (aka Enterprise Server Administration web UI) a…

published 2017-08-21 9y ago modified 2026-06-17 4mo ago also EUVD-2017-16445

cvss: 6.1; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.4%; EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits: 0; none known

Reflected and stored Cross-Site Scripting (XSS, CWE-79) vulnerabilities in Directory Server (aka Enterprise Server Administration web UI) and 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 allow remote authenticated attackers to bypass protection mechanisms (CWE-693) and other security features.

Is CVE-2017-7421 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

1.38% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

Micro Focus Micro Focus Enterprise Developer, Micro Focus Enterprise Server

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

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

Sources

CVE List CVE-2017-7421
NVD CVE-2017-7421

Fencer Intel 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.