9.8
CRITICAL
CVE-2021-31474
SolarWinds Network Performance Monitor Remote Code Execution Through Unvalidated Deserialization
Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of SolarWinds Network Performance Monitor 2020.2.1. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SolarWinds.Serialization library. 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 SYSTEM. Was ZDI-CAN-12213.

INFO

Published Date :

May 21, 2021, 3:15 p.m.

Last Modified :

June 7, 2021, 4:03 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2021-31474 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-31474 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Solarwinds network_performance_monitor
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-31474.

URL Resource
https://documentation.solarwinds.com/en/success_center/sam/content/release_notes/sam_2020-2-5_release_notes.htm Release Notes Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-602/ Third Party Advisory VDB Entry

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

安全类各家文库大乱斗

HTML CSS JavaScript Go Python Shell C

Updated: 2 months, 2 weeks ago
856 stars 214 fork 214 watcher
Born at : Feb. 15, 2022, 3:14 a.m. This repo has been linked 568 different CVEs too.

SolarWinds Orion Platform ActionPluginBaseView 反序列化RCE

Updated: 5 months, 2 weeks ago
47 stars 9 fork 9 watcher
Born at : Oct. 23, 2021, 1:35 a.m. This repo has been linked 2 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-31474 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-31474 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Jun. 07, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:solarwinds:network_performance_monitor:*:*:*:*:*:*:*:* versions from (including) 2020.2.1 up to (excluding) 2021.2.5 OR *cpe:2.3:a:solarwinds:network_performance_monitor:*:*:*:*:*:*:*:* versions from (including) 2020.2.1 up to (excluding) 2020.2.5
  • Reanalysis by [email protected]

    Jun. 07, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:solarwinds:network_performance_monitor:2020.2.1:*:*:*:*:*:*:* OR *cpe:2.3:a:solarwinds:network_performance_monitor:*:*:*:*:*:*:*:* versions from (including) 2020.2.1 up to (excluding) 2021.2.5
  • Initial Analysis by [email protected]

    May. 27, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://documentation.solarwinds.com/en/success_center/sam/content/release_notes/sam_2020-2-5_release_notes.htm No Types Assigned https://documentation.solarwinds.com/en/success_center/sam/content/release_notes/sam_2020-2-5_release_notes.htm Release Notes, Vendor Advisory
    Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-21-602/ No Types Assigned https://www.zerodayinitiative.com/advisories/ZDI-21-602/ Third Party Advisory, VDB Entry
    Added CPE Configuration OR *cpe:2.3:a:solarwinds:network_performance_monitor:2020.2.1:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-31474 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-31474 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

63.14 }} 8.20%

score

0.97920

percentile

CVSS31 - Vulnerability Scoring System
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