CVE-2021-21515CWE-79

Dell EMC SourceOne, versions 7.2SP10 and prior, contain a Stored Cross-Site Scripting vulnerability

Critical · published March 1, 2021

CVSS v3.1
9.0
EPSS
1%
Percentile
57.6
In the wild
Unconfirmed
What it is

🚨 A sneaky stored XSS vulnerability in Dell EMC SourceOne could allow low-privileged attackers to hijack sessions! 😱 Think of it as a trickster at a restaurant who convinces a waiter to deliver a fake order — you think you're getting a delicious meal, but really, it's just a ruse to steal your dessert! 🍰 If exploited, this vulnerability could lead to devastating consequences such as session hijacking or unwittingly sending harmful requests to the server. Users would be completely unaware that their actions are being manipulated, putting sensitive data at serious risk! 🔥

Put simply

Think of it as a trickster at a restaurant who convinces a waiter to deliver a fake order — you think you're getting a delicious meal, but really, it's just a ruse to steal your dessert! 🍰 This stored cross-site scripting flaw allows an attacker to inject malicious scripts into web pages viewed by other users, effectively bypassing standard security measures and manipulating user sessions.

What to do

If exploited, this vulnerability could lead to devastating consequences such as session hijacking or unwittingly sending harmful requests to the server. Users would be completely unaware that their actions are being manipulated, putting sensitive data at serious risk! 🔥 Immediate action is crucial! Patch to version 7.2SP11 or later to address this vulnerability and review your web application's input validation processes. Regularly audit user permissions as well! 🛡️ You've got this! With these steps, you can secure your application and keep those pesky attackers at bay! 💪✨

The record
Technical detail
CVSS v3.1
9.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00846 · 57.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2021-03-01T20:25Z
EPSS history
Timeline
  • 01 MAR 20:25Z
    Dell EMC SourceOne, versions 7.2SP10 and prior, contain a Stored Cross-Site Scripting vulnerability
    cvelistv5