What’s Vulnerable › Vulnerabilities

CVE-2021-35215: ActionPluginBaseView Deserialization of Untrusted Data RCE

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 69.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-01 · updated 2026-06-17
• Weakness: CWE-502

Description

Insecure deserialization leading to Remote Code Execution was detected in the Orion Platform version 2020.2.5. Authentication is required to exploit this vulnerability.

Affected products

• SolarWinds Orion Platform: through 2020.2.5

References

• https://documentation.solarwinds.co/enm/success_center/orionplatform/content/release_notes/orion_platform_2020-2-6_release_notes.htm
• https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm
• https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35215
• https://www.zerodayinitiative.com/advisories/ZDI-21-1245/
• https://documentation.solarwinds.co/enm/success_center/orionplatform/content/release_notes/orion_platform_2020-2-6_release_notes.htm
• https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm
• https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35215
• https://www.zerodayinitiative.com/advisories/ZDI-21-1245/

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