What’s Vulnerable › Vulnerabilities

CVE-2021-35218: Chart Endpoint Deserialization of Untrusted Data Remote Code Execution Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 76.4% 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

Deserialization of Untrusted Data in the Web Console Chart Endpoint can lead to remote code execution. An unauthorized attacker who has network access to the Orion Patch Manager Web Console could potentially exploit this and compromise the server

Affected products

• SolarWinds Orion Platform: before 2020.2.6 — fixed in 2020.2.6

How to fix

Upgrade to a fixed version: SolarWinds Orion Platform 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-2021-35218
• https://www.zerodayinitiative.com/advisories/ZDI-21-1248/
• 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-2021-35218
• https://www.zerodayinitiative.com/advisories/ZDI-21-1248/

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