How severe is CVE-2021-28047?

CVE-2021-28047 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-2021-28047 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-28047?

CVE-2021-28047 affects Devolutions Remote Desktop Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-28047?

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

When was CVE-2021-28047 published?

CVE-2021-28047 was published on 2021-04-01 and last updated on 2026-06-17.

CVE-2021-28047

CVE-2021-28047 is a medium-severity vulnerability in Devolutions Remote Desktop Manager 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% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Devolutions Remote Desktop Manager
Published: 2021-04-01
Last modified: 2026-06-17

Description

Cross-Site Scripting (XSS) in Administrative Reports in Devolutions Remote Desktop Manager before 2021.1 allows remote authenticated users to inject arbitrary web script or HTML via multiple input fields.

Frequently asked questions

What is CVE-2021-28047?: Cross-Site Scripting (XSS) in Administrative Reports in Devolutions Remote Desktop Manager before 2021.1 allows remote authenticated users to inject arbitrary web script or HTML via multiple input fields.
How severe is CVE-2021-28047?: CVE-2021-28047 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-2021-28047 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-28047?: CVE-2021-28047 affects Devolutions Remote Desktop Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-28047?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-28047 published?: CVE-2021-28047 was published on 2021-04-01 and last updated on 2026-06-17.

References

https://devolutions.net/security/advisories/devo-2021-0003

Affected products (1)

cpe:2.3:a:devolutions:remote_desktop_manager:*:*:*:*:*:*:*:*

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