Post-Authenticated File Reading Vulnerability in SonicWall Email Security
CVE-2021-20023

4.9MEDIUM

Key Information:

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

Badges

💰 Ransomware👾 Exploit Exists🟣 EPSS 92%🦅 CISA Reported

Summary

SonicWall Email Security version 10.0.9.x is affected by a vulnerability that permits a post-authenticated attacker to access arbitrary files on the remote host. This vulnerability raises concerns over unauthorized data exposure and potential information leaks, emphasizing the need for immediate attention and patching. For more details, refer to SonicWall's official vulnerability disclosure.

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

References

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

EPSS Score

92% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
4.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
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

.