Vulnerability Report

CVE-2021-20046

RCE

Title: Sonicwall Tz570P RCE

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2021-20046.

CWE Category CWE-787

Published Date Jan 10, 2022

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 8.8 CVSS v3.1

Exploit Probability (EPSS)

1.37%

Vulnerability Summary

CVE-2021-20046: A Stack-based buffer overflow in the SonicOS HTTP Content-Length response header allows a remote authenticated attacker to cause Denial of Service (DoS) and potentially results in code execution in the firewall. This vulnerability affected SonicOS Gen 5, Gen 6 and Gen 7 firmware versions.

Impacted Vendors

sonicwall 58

Reference Links

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0027 https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0027

CVSS v3.1

Source Entity [email protected]

Severity HIGH

8.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

6.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:S/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-20046 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

January 10, 2022 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.