CVE-2021-35215

ActionPluginBaseView Deserialization of Untrusted Data RCE

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Insecure deserialization leading to Remote Code Execution was detected in the Orion Platform version 2020.2.5. Authentication is required to exploit this vulnerability.

Se ha detectado una deserialización insegura conllevando a una ejecución de código remota en Orion Platform versión 2020.2.5. Es requerida una autenticación para explotar esta vulnerabilidad

This vulnerability allows remote attackers to execute arbitrary code on affected installations of SolarWinds Orion Platform. Authentication is required to exploit this vulnerability.
The specific flaw exists within the ActionPluginBaseView class. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of NETWORK SERVICE.

*Credits: Jangggggg working with Trend Micro Zero Day Initiative

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-06-22 CVE Reserved
2021-09-01 CVE Published
2021-10-23 First Exploit
2024-02-08 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-502: Deserialization of Untrusted Data

CAPEC

References (5)

URL	Tag	Source
https://documentation.solarwinds.co/enm/success_center/orionplatform/content/release_notes/orion_platform_2020-2-6_release_notes.htm	Broken Link
https://www.zerodayinitiative.com/advisories/ZDI-21-1245	Third Party Advisory

URL	Date	SRC
https://github.com/Y4er/CVE-2021-35215	2021-10-23

URL	Date	SRC
https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35215	2021-11-03

URL	Date	SRC
https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm	2021-11-03

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Solarwinds Search vendor "Solarwinds"		Orion Platform Search vendor "Solarwinds" for product "Orion Platform"				<= 2020.2.5 Search vendor "Solarwinds" for product "Orion Platform" and version " <= 2020.2.5"		-		Affected