CVE-2021-31474CWE-502

This vulnerability allows remote attackers to execute arbitrary code on affected installations of SolarWinds Network Performance Monitor 2020.2.1

Critical · published May 21, 2021

Patch now

High probability of exploitation

CVSS calls it critical at 9.8. It sits in the 99.8th percentile for exploit probability.

CVSS v3.0
9.8
EPSS
94%
Percentile
99.8
In the wild
Unconfirmed
What it is

🚨 A lack of validation in SolarWinds Network Performance Monitor means an attacker could step in and execute code as SYSTEM — no authentication needed! 🔥 Think of this like a restaurant that lets anyone in the kitchen without checking their credentials — a rogue cook could whip up anything, from a harmless salad to a disastrous surprise dish! If exploited, this vulnerability could allow an attacker to take full control of your system, potentially leading to data theft, service disruption, or worse. Imagine someone hijacking the controls of your entire network management system — absolutely devastating!

Put simply

Think of this like a restaurant that lets anyone in the kitchen without checking their credentials — a rogue cook could whip up anything, from a harmless salad to a disastrous surprise dish! This critical vulnerability in SolarWinds.Network Performance Monitor stems from improper validation in the SolarWinds.Serialization library, allowing remote code execution through deserialization of untrusted input.

What to do

If exploited, this vulnerability could allow an attacker to take full control of your system, potentially leading to data theft, service disruption, or worse. Imagine someone hijacking the controls of your entire network management system — absolutely devastating! To protect your system, immediately update to version 2020.2.2 or follow the vendor's guidance to apply the necessary patches. Additionally, audit your system settings to ensure proper security measures are in place. You've got this! Follow these steps and you'll turn this vulnerability into just another story of a threat averted. 🛡️

The record
Technical detail
CVSS v3.0
9.8 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.93939 · 99.8th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2021-05-21T14:40Z
EPSS history
Timeline
  • 21 MAY 14:40Z
    This vulnerability allows remote attackers to execute arbitrary code on affected installations of SolarWinds Network Performance Monitor 2020.2.1
    cvelistv5