Deserialization of Untrusted Data in Orion Platform - CVE-2021-35215
Published: October 26, 2021 / Updated: October 28, 2021
Vulnerability identifier: #VU57635
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2021-35215
CWE-ID: CWE-502
Exploitation vector: Adjecent network
Exploit availability:
Public exploit is available
Vendor: SolarWinds
Affected software:
Orion Platform
Orion Platform
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data in ActionPluginBaseView. A remote user can pass specially crafted data to the application and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2021-35215
Install updates from vendor's website.
Sources
- https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm
- https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35215
- https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/orion_platform_2020-2-6_release_notes.htm
- https://www.zerodayinitiative.com/advisories/ZDI-21-1245/