Deserialization of Untrusted Data in Orion Virtual Infrastructure Monitor - CVE-2021-27277

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Main Vulnerability Database Vulnerabilities #VU51827

Deserialization of Untrusted Data in Orion Virtual Infrastructure Monitor - CVE-2021-27277

Published: March 31, 2021


Vulnerability identifier: #VU51827
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-27277
CWE-ID: CWE-502
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: SolarWinds
Affected software:
Orion Virtual Infrastructure Monitor

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insecure input validation when processing serialized data in the OneTimeJobSchedulerEventsService WCF service. A local user can pass specially crafted data to the application and execute arbitrary code on the target system with elevated privileges.


How to mitigate CVE-2021-27277

Install updates from vendor's website.

Sources