How severe is CVE-2020-25834?

CVE-2020-25834 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-2020-25834 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25834?

CVE-2020-25834 affects Microfocus Arcsight Logger. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-25834?

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

When was CVE-2020-25834 published?

CVE-2020-25834 was published on 2020-11-17 and last updated on 2026-06-17.

CVE-2020-25834

CVE-2020-25834 is a medium-severity vulnerability in Microfocus Arcsight Logger 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% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microfocus Arcsight Logger
Published: 2020-11-17
Last modified: 2026-06-17

Description

Cross-Site Scripting vulnerability on Micro Focus ArcSight Logger product, affecting version 7.1. The vulnerability could be remotely exploited resulting in Cross-Site Scripting (XSS).

Frequently asked questions

What is CVE-2020-25834?: Cross-Site Scripting vulnerability on Micro Focus ArcSight Logger product, affecting version 7.1. The vulnerability could be remotely exploited resulting in Cross-Site Scripting (XSS).
How severe is CVE-2020-25834?: CVE-2020-25834 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-2020-25834 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25834?: CVE-2020-25834 affects Microfocus Arcsight Logger. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-25834?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-25834 published?: CVE-2020-25834 was published on 2020-11-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microfocus:arcsight_logger:*:*:*:*:*:*:*:*

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