Administrative Account Creation Flaw in SonicWall Email Security
CVE-2021-20021

9.8CRITICAL

Key Information:

Vendor
Sonicwall
Status
Email Security
Vendor
CVE Published:
9 April 2021

Badges

💰 Ransomware👾 Exploit Exists🟡 Public PoC🦅 CISA Reported

Summary

A vulnerability exists in SonicWall Email Security version 10.0.9.x that enables an attacker to gain unauthorized administrative access by sending a specially crafted HTTP request to the affected system. This flaw could lead to significant security risks as it allows the creation of administrative accounts without proper authorization, potentially compromising sensitive data and user privacy.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited and is known by the CISA as enabling ransomware campaigns.

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

Email Security 10.0.9 and earlier

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-20021
Created by SUPRAAA-1337

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-202...
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 💰

    Used in Ransomware

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.