What’s Vulnerable › Vulnerabilities

CVE-2021-35217: Insecure Deserialization of untrusted data causing Remote code execution vulnerability.

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 72.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-08 · updated 2026-06-17
• Weakness: CWE-502

Description

Insecure Deseralization of untrusted data remote code execution vulnerability was discovered in Patch Manager Orion Platform Integration module and reported to us by ZDI. An Authenticated Attacker could exploit it by executing WSAsyncExecuteTasks deserialization of untrusted data.

Affected products

• SolarWinds Patch Manager: through 2020.2.5

References

• https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm
• https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/orion_platform_2020-2-6_release_notes.htm
• https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35217
• https://www.zerodayinitiative.com/advisories/ZDI-21-1247/
• https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm
• https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/orion_platform_2020-2-6_release_notes.htm
• https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35217
• https://www.zerodayinitiative.com/advisories/ZDI-21-1247/

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