Vulnerability Report

CVE-2021-20034

Title: Path Traversal Bypass

DoS

Proof Of Concept

PoC Available for CVE-2021-20034

CWE Category CWE-22

Published Date Sep 27, 2021

Modified Date Nov 21, 2024

Exploit Status Available

Score 9.1 CVSS v3.1

Exploit Probability (EPSS)

80.70%

Vulnerability Summary

CVE-2021-20034: An improper access control vulnerability in SMA100 allows a remote unauthenticated attacker to bypass the path traversal checks and delete an arbitrary file potentially resulting in a reboot to factory default settings.

Impacted Vendors

sonicwall 5

Reference Links

http://packetstormsecurity.com/files/164564/SonicWall-SMA-10.2.1.0-17sv-Password-Reset.html https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0021 http://packetstormsecurity.com/files/164564/SonicWall-SMA-10.2.1.0-17sv-Password-Reset.html https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0021

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.1

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:N/UI:N/S:U/C:N/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

6.4

Access Vector

N/A

Authentication

N/A

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-20034 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/50430

View Code

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

September 27, 2021 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:N/UI:N/S:U/C:N/I:H/A:H

Affected Stack

No specific products linked.