How severe is CVE-2020-35856?

CVE-2020-35856 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-35856 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35856?

CVE-2020-35856 affects Solarwinds Orion Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-35856?

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

When was CVE-2020-35856 published?

CVE-2020-35856 was published on 2021-03-26 and last updated on 2026-06-17.

CVE-2020-35856

CVE-2020-35856 is a medium-severity vulnerability in Solarwinds Orion Platform with a CVSS 3.x base score of 4.8. 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 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Solarwinds Orion Platform
Published: 2021-03-26
Last modified: 2026-06-17

Description

SolarWinds Orion Platform before 2020.2.5 allows stored XSS attacks by an administrator on the Customize View page.

Frequently asked questions

What is CVE-2020-35856?: SolarWinds Orion Platform before 2020.2.5 allows stored XSS attacks by an administrator on the Customize View page.
How severe is CVE-2020-35856?: CVE-2020-35856 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-35856 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35856?: CVE-2020-35856 affects Solarwinds Orion Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-35856?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-35856 published?: CVE-2020-35856 was published on 2021-03-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:solarwinds:orion_platform:*:*:*:*:*:*:*:*

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