What’s Vulnerable › Vulnerabilities

CVE-2021-35216: Deserialization of Untrusted Data in Resource Controls Remote Code Execution

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 81.4% 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 of untrusted data remote code execution vulnerability was discovered in Patch Manager Orion Platform Integration module. An Authenticated Attacker with network access via HTTP can compromise this vulnerability can result in Remote Code Execution.

Affected products

• SolarWinds Patch Manager: before 2020.2.6 — fixed in 2020.2.6

How to fix

Upgrade to a fixed version: SolarWinds Patch Manager 2020.2.6. Check the vendor advisory for mitigations.

References

• https://documentation.solarwinds.com/en/success_center/patchman/content/release_notes/patchman_2020-2-6_release_notes.htm
• https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35216
• https://www.zerodayinitiative.com/advisories/ZDI-21-1246/
• https://documentation.solarwinds.com/en/success_center/patchman/content/release_notes/patchman_2020-2-6_release_notes.htm
• https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35216
• https://www.zerodayinitiative.com/advisories/ZDI-21-1246/

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