How severe is CVE-2021-39285?

CVE-2021-39285 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-2021-39285 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-39285?

CVE-2021-39285 affects Versa-networks Versa Director. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-39285?

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

When was CVE-2021-39285 published?

CVE-2021-39285 was published on 2021-09-07 and last updated on 2026-06-17.

CVE-2021-39285

CVE-2021-39285 is a medium-severity vulnerability in Versa-networks Versa Director 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% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Versa-networks Versa Director
Published: 2021-09-07
Last modified: 2026-06-17

Description

A XSS vulnerability exists in Versa Director Release: 16.1R2 Build: S8. An attacker can use the administration web interface URL to create a XSS based attack.

Frequently asked questions

What is CVE-2021-39285?: A XSS vulnerability exists in Versa Director Release: 16.1R2 Build: S8. An attacker can use the administration web interface URL to create a XSS based attack.
How severe is CVE-2021-39285?: CVE-2021-39285 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-2021-39285 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-39285?: CVE-2021-39285 affects Versa-networks Versa Director. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-39285?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-39285 published?: CVE-2021-39285 was published on 2021-09-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:versa-networks:versa_director:16.1r2:build_s8:*:*:*:*:*:*

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