CVE-2020-2509KEV · OVERDUECWE-77CWE-78

Command Injection Vulnerability in QTS and QuTS hero

Critical · published April 17, 2021

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 98.4th percentile for exploit probability.

1636
days past CISA
deadline
CVSS v3.1
9.8
EPSS
34%
Percentile
98.4
In the wild
Confirmed
What it is

🚨 A malicious command can be slipped right into your application! This command injection vulnerability affects QTS and QuTS hero, allowing attackers to execute arbitrary commands.🔥 Think of it like a restaurant where a diner can write their own order on the chef's ticket — if the chef trusts the ticket without question, they might end up preparing something they never intended to serve! If exploited, an attacker could gain complete control over your application, executing commands that could compromise your entire system. This could lead to data breaches, unauthorized access, and potentially catastrophic damage to your infrastructure!

Put simply

Think of it like a restaurant where a diner can write their own order on the chef's ticket — if the chef trusts the ticket without question, they might end up preparing something they never intended to serve! This command injection vulnerability allows attackers to introduce and run arbitrary commands in the application, exploiting a lack of input validation that would normally filter such requests.

What to do

If exploited, an attacker could gain complete control over your application, executing commands that could compromise your entire system. This could lead to data breaches, unauthorized access, and potentially catastrophic damage to your infrastructure! Upgrade to QTS 4.5.2.1566 Build 20210202 or later, QTS 4.5.1.1495 Build 20201123 or later, or any of the specified patched versions. Make sure to audit your system for any suspicious commands that may have been executed due to this flaw. You’ve got this! With these updates, you’ll be locking down your system and boosting your security hero status! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.33987 · 98.4th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2021-04-17T03:50Z
KEV added
2022-04-11 · due 2022-05-02
EPSS history
Timeline
  • 11 APR 00:00Z
    Added to CISA KEV — remediate by May 2
    kev
  • 17 APR 03:50Z
    Command Injection Vulnerability in QTS and QuTS hero
    cvelistv5