Arbitrary File Upload Vulnerability in SonicWall Email Security
CVE-2021-20022

7.2HIGH

Key Information:

Vendor

Sonicwall
Status
Email Security
Vendor
CVE Published:
9 April 2021

Badges

💰 Ransomware👾 Exploit Exists🟣 EPSS 31%🦅 CISA Reported

What is CVE-2021-20022?

SonicWall Email Security version 10.0.9.x is vulnerable to a flaw that permits an authenticated attacker to upload arbitrary files to the remote server. This weakness may lead to unauthorized access or further exploitation of the affected system, highlighting the importance of keeping software updated and implementing robust security measures.

CISA has reported CVE-2021-20022

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 CVE-2021-20022 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

References

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

EPSS Score

31% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • 💰

    Used in Ransomware

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2021-20022 : Arbitrary File Upload Vulnerability in SonicWall Email Security