How severe is CVE-2021-38126?

CVE-2021-38126 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-38126 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38126?

CVE-2021-38126 primarily affects Microfocus Arcsight Enterprise Security Manager. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-38126?

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

When was CVE-2021-38126 published?

CVE-2021-38126 was published on 2022-01-14 and last updated on 2026-06-17.

CVE-2021-38126

CVE-2021-38126 is a medium-severity vulnerability in Microfocus Arcsight Enterprise Security Manager with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microfocus Arcsight Enterprise Security Manager
Published: 2022-01-14
Last modified: 2026-06-17

Description

Potential vulnerabilities have been identified in Micro Focus ArcSight Enterprise Security Manager, affecting versions 7.4.x and 7.5.x. The vulnerabilities could be remotely exploited resulting in Cross-Site Scripting (XSS).

Frequently asked questions

What is CVE-2021-38126?: Potential vulnerabilities have been identified in Micro Focus ArcSight Enterprise Security Manager, affecting versions 7.4.x and 7.5.x. The vulnerabilities could be remotely exploited resulting in Cross-Site Scripting (XSS).
How severe is CVE-2021-38126?: CVE-2021-38126 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-38126 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38126?: CVE-2021-38126 primarily affects Microfocus Arcsight Enterprise Security Manager. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-38126?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-38126 published?: CVE-2021-38126 was published on 2022-01-14 and last updated on 2026-06-17.

References

https://portal.microfocus.com/s/article/KM000003453?language=en_US

Affected products (2)

cpe:2.3:a:microfocus:arcsight_enterprise_security_manager:7.4:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:arcsight_enterprise_security_manager:7.5:*:*:*:*:*:*:*

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