How severe is CVE-2020-9524?

CVE-2020-9524 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-9524 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9524?

CVE-2020-9524 primarily affects Microfocus Enterprise Developer. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-9524?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-9524 published?

CVE-2020-9524 was published on 2020-05-18 and last updated on 2026-06-17.

CVE-2020-9524

CVE-2020-9524 is a medium-severity vulnerability in Microfocus Enterprise Developer with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microfocus Enterprise Developer
Published: 2020-05-18
Last modified: 2026-06-17

Description

Cross Site scripting vulnerability on Micro Focus Enterprise Server and Enterprise developer, affecting all versions prior to version 5.0 Patch Update 8. The vulnerability could allow an attacker to trigger administrative actions when an administrator viewed malicious data left by the attacker (stored XSS) or followed a malicious link (reflected XSS).

Frequently asked questions

What is CVE-2020-9524?: Cross Site scripting vulnerability on Micro Focus Enterprise Server and Enterprise developer, affecting all versions prior to version 5.0 Patch Update 8. The vulnerability could allow an attacker to trigger administrative actions when an administrator viewed malicious data left by the attacker (stored XSS) or followed a malicious link (reflected XSS).
How severe is CVE-2020-9524?: CVE-2020-9524 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-9524 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9524?: CVE-2020-9524 primarily affects Microfocus Enterprise Developer. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-9524?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-9524 published?: CVE-2020-9524 was published on 2020-05-18 and last updated on 2026-06-17.

References

https://softwaresupport.softwaregrp.com/doc/KM03640252

Affected products (16)

cpe:2.3:a:microfocus:enterprise_developer:5.0:-:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_developer:5.0:p1:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_developer:5.0:p2:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_developer:5.0:p3:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_developer:5.0:p4:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_developer:5.0:p5:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_developer:5.0:p6:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_developer:5.0:p7:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_server:5.0:-:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_server:5.0:p1:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_server:5.0:p2:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_server:5.0:p3:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_server:5.0:p4:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_server:5.0:p5:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_server:5.0:p6:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_server:5.0:p7:*:*:*:*:*:*

More vulnerabilities in Microfocus Enterprise Developer

CVE-2023-4501 — Critical (CVSS 9.8): User authentication with username and password credentials is ineffective in OpenText (Micro Focus) Visual COBOL, COBOL…
CVE-2017-7420 — Critical (CVSS 9.8): An Authentication Bypass (CWE-287) vulnerability in ESMAC (aka Enterprise Server Monitor and Control) in Micro Focus…
CVE-2020-9523 — High (CVSS 8.8): Insufficiently protected credentials vulnerability on Micro Focus enterprise developer and enterprise server, affecting…
CVE-2017-7423 — High (CVSS 8.8): A Cross-Site Request Forgery (CWE-352) vulnerability in esfadmingui in Micro Focus Enterprise Developer and Enterprise…
CVE-2017-5187 — High (CVSS 8.8): A Cross-Site Request Forgery (CWE-352) vulnerability in Directory Server (aka Enterprise Server Administration web UI)…
CVE-2018-12469 — High (CVSS 7.5): Incorrect handling of an invalid value for an HTTP request parameter by Directory Server (aka Enterprise Server…

All CVEs affecting Microfocus Enterprise Developer →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →