How severe is CVE-2020-21485?

CVE-2020-21485 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-2020-21485 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-2020-21485?

CVE-2020-21485 affects Alluxio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-21485?

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

When was CVE-2020-21485 published?

CVE-2020-21485 was published on 2023-06-20 and last updated on 2026-06-17.

CVE-2020-21485

CVE-2020-21485 is a medium-severity vulnerability in Alluxio 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)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Alluxio
Published: 2023-06-20
Last modified: 2026-06-17

Description

Cross Site Scripting vulnerability in Alluxio v.1.8.1 allows a remote attacker to executea arbitrary code via the path parameter in the browse board component.

Frequently asked questions

What is CVE-2020-21485?: Cross Site Scripting vulnerability in Alluxio v.1.8.1 allows a remote attacker to executea arbitrary code via the path parameter in the browse board component.
How severe is CVE-2020-21485?: CVE-2020-21485 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-2020-21485 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-2020-21485?: CVE-2020-21485 affects Alluxio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-21485?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-21485 published?: CVE-2020-21485 was published on 2023-06-20 and last updated on 2026-06-17.

References

https://github.com/Alluxio/alluxio/issues/10552

Affected products (1)

cpe:2.3:a:alluxio:alluxio:1.8.1:*:*:*:*:*:*:*

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