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% (42nd 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% (42nd 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% (42nd 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:*:*:*:*:*:*

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