How severe is CVE-2021-35244?

CVE-2021-35244 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2021-35244 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-35244?

CVE-2021-35244 primarily affects Solarwinds Orion Platform. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-35244?

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

When was CVE-2021-35244 published?

CVE-2021-35244 was published on 2021-12-20 and last updated on 2026-06-17.

CVE-2021-35244

CVE-2021-35244 is a medium-severity vulnerability in Solarwinds Orion Platform with a CVSS 3.x base score of 6.8. 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-434.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 8.5
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Solarwinds Orion Platform
Published: 2021-12-20
Last modified: 2026-06-17

Description

The "Log alert to a file" action within action management enables any Orion Platform user with Orion alert management rights to write to any file. An attacker with Orion alert management rights could use this vulnerability to perform an unrestricted file upload causing a remote code execution.

Frequently asked questions

What is CVE-2021-35244?: The "Log alert to a file" action within action management enables any Orion Platform user with Orion alert management rights to write to any file. An attacker with Orion alert management rights could use this vulnerability to perform an unrestricted file upload causing a remote code execution.
How severe is CVE-2021-35244?: CVE-2021-35244 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2021-35244 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-35244?: CVE-2021-35244 primarily affects Solarwinds Orion Platform. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-35244?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-35244 published?: CVE-2021-35244 was published on 2021-12-20 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:solarwinds:orion_platform:*:*:*:*:*:*:*:*
cpe:2.3:a:solarwinds:orion_platform:2020.2.6:-:*:*:*:*:*:*
cpe:2.3:a:solarwinds:orion_platform:2020.2.6:hotfix1:*:*:*:*:*:*
cpe:2.3:a:solarwinds:orion_platform:2020.2.6:hotfix2:*:*:*:*:*:*

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