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CVE-2021-35218

Chart Endpoint Deserialization of Untrusted Data Remote Code Execution Vulnerability

HIGH
8.8
CVSS Score
Published: September 1, 2021 at 02:24 PM UTC
Updated: June 17, 2026 at 03:57 AM UTC
2 products affected across 1 vendorOrion PlatformPatch Manager

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Severity
HIGH8.8
Exploit prediction
EPSS 76%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Orion Platform· Solarwinds
95%
v < 2020.2.6
Affected range stops below 2020.2.6, so it looks safe — our inference, not a vendor statement
Patch Manager· Solarwinds
60%
2020.5 and previous versions ≤ v < 2020.2.62020.5 and previous versions
Affected range stops below 2020.2.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_MISCNot ApplicableVendor Advisory
Source: [email protected]
https://documentation.solarwinds.com/en/success_center/patchman/content/release_notes/patchman_2020-2-6_release_notes.htm
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35218
x_refsource_MISCThird Party AdvisoryVDB Entry
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-21-1248/

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-502

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