How severe is CVE-2021-35212?

CVE-2021-35212 has a CVSS 3.x base score of 8.9, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2021-35212 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-35212?

CVE-2021-35212 primarily affects Solarwinds Orion Platform. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-35212?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-35212 published?

CVE-2021-35212 was published on 2021-08-31 and last updated on 2026-06-17.

CVE-2021-35212

CVE-2021-35212 is a high-severity vulnerability in Solarwinds Orion Platform with a CVSS 3.x base score of 8.9. 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-89.

Key facts

Severity: High (CVSS 3.x base score 8.9)
CVSS v2: 9.0
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Solarwinds Orion Platform
Published: 2021-08-31
Last modified: 2026-06-17

Description

An SQL injection Privilege Escalation Vulnerability was discovered in the Orion Platform reported by the ZDI Team. A blind Boolean SQL injection which could lead to full read/write over the Orion database content including the Orion certificate for any authenticated user.

Frequently asked questions

What is CVE-2021-35212?: An SQL injection Privilege Escalation Vulnerability was discovered in the Orion Platform reported by the ZDI Team. A blind Boolean SQL injection which could lead to full read/write over the Orion database content including the Orion certificate for any authenticated user.
How severe is CVE-2021-35212?: CVE-2021-35212 has a CVSS 3.x base score of 8.9, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2021-35212 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-35212?: CVE-2021-35212 primarily affects Solarwinds Orion Platform. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-35212?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-35212 published?: CVE-2021-35212 was published on 2021-08-31 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:solarwinds:orion_platform:2019.2:*:*:*:*:*:*:*
cpe:2.3:a:solarwinds:orion_platform:2019.4:*:*:*:*:*:*:*
cpe:2.3:a:solarwinds:orion_platform:2020.2.1:*:*:*:*:*:*:*
cpe:2.3:a:solarwinds:orion_platform:2020.2.4:*:*:*:*:*:*:*
cpe:2.3:a:solarwinds:orion_platform:2020.2.5:*:*:*:*:*:*:*

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