CVE-2021-20050 : An Improper Access Control Vulnerability in the SMA100 series leads to multiple

An Improper Access Control Vulnerability in the SMA100 series leads to multiple restricted management APIs being accessible without a user login, potentially exposing configuration meta-data.

Published 2021-12-23 02:15:07

Updated 2022-10-21 20:03:35

Source SonicWALL, Inc.

View at NVD, CVE.org

Vulnerability category: BypassGain privilege

Products affected by CVE-2021-20050

Sonicwall » Sma 100 Firmware
Versions before (<) 10.0.0.0
cpe:2.3:o:sonicwall:sma_100_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Sonicwall » Sma100 » Version: N/A
Sonicwall » Sma 100 Firmware » Version: 10.2.0.8-37sv
cpe:2.3:o:sonicwall:sma_100_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*
Matching versions
When used together with: Sonicwall » Sma100 » Version: N/A
Sonicwall » Sma 100 Firmware » Version: 10.2.1.2-24sv
cpe:2.3:o:sonicwall:sma_100_firmware:10.2.1.2-24sv:*:*:*:*:*:*:*
Matching versions
When used together with: Sonicwall » Sma100 » Version: N/A
Sonicwall » Sma 200 Firmware
Versions before (<) 10.0.0.0
cpe:2.3:o:sonicwall:sma_200_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Sonicwall » Sma200 » Version: N/A
Sonicwall » Sma 200 Firmware » Version: 10.2.0.8-37sv
cpe:2.3:o:sonicwall:sma_200_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*
Matching versions
When used together with: Sonicwall » Sma200 » Version: N/A
Sonicwall » Sma 200 Firmware » Version: 10.2.1.2-24sv
cpe:2.3:o:sonicwall:sma_200_firmware:10.2.1.2-24sv:*:*:*:*:*:*:*
Matching versions
When used together with: Sonicwall » Sma200 » Version: N/A
Sonicwall » Sma 210 Firmware
Versions before (<) 10.0.0.0
cpe:2.3:o:sonicwall:sma_210_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Sonicwall » Sma210 » Version: N/A
Sonicwall » Sma 210 Firmware » Version: 10.2.0.8-37sv
cpe:2.3:o:sonicwall:sma_210_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*
Matching versions
When used together with: Sonicwall » Sma210 » Version: N/A
Sonicwall » Sma 210 Firmware » Version: 10.2.1.2-24sv
cpe:2.3:o:sonicwall:sma_210_firmware:10.2.1.2-24sv:*:*:*:*:*:*:*
Matching versions
When used together with: Sonicwall » Sma210 » Version: N/A
Sonicwall » Sma 400 Firmware
Versions before (<) 10.0.0.0
cpe:2.3:o:sonicwall:sma_400_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Sonicwall » Sma400 » Version: N/A
Sonicwall » Sma 400 Firmware » Version: 10.2.0.8-37sv
cpe:2.3:o:sonicwall:sma_400_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*
Matching versions
When used together with: Sonicwall » Sma400 » Version: N/A
Sonicwall » Sma 400 Firmware » Version: 10.2.1.2-24sv
cpe:2.3:o:sonicwall:sma_400_firmware:10.2.1.2-24sv:*:*:*:*:*:*:*
Matching versions
When used together with: Sonicwall » Sma400 » Version: N/A
Sonicwall » Sma 410 Firmware
Versions before (<) 10.0.0.0
cpe:2.3:o:sonicwall:sma_410_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Sonicwall » Sma410 » Version: N/A
Sonicwall » Sma 410 Firmware » Version: 10.2.0.8-37sv
cpe:2.3:o:sonicwall:sma_410_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*
Matching versions
When used together with: Sonicwall » Sma410 » Version: N/A
Sonicwall » Sma 410 Firmware » Version: 10.2.1.2-24sv
cpe:2.3:o:sonicwall:sma_410_firmware:10.2.1.2-24sv:*:*:*:*:*:*:*
Matching versions
When used together with: Sonicwall » Sma410 » Version: N/A
Sonicwall » Sma 500v Firmware
Versions before (<) 10.0.0.0
cpe:2.3:o:sonicwall:sma_500v_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Sonicwall » Sma500v » Version: N/A
Sonicwall » Sma 500v Firmware » Version: 10.2.0.8-37sv
cpe:2.3:o:sonicwall:sma_500v_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*
Matching versions
When used together with: Sonicwall » Sma500v » Version: N/A
Sonicwall » Sma 500v Firmware » Version: 10.2.1.2-24sv
cpe:2.3:o:sonicwall:sma_500v_firmware:10.2.1.2-24sv:*:*:*:*:*:*:*
Matching versions
When used together with: Sonicwall » Sma500v » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-20050

EPSS FAQ

0.17%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 54 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-20050

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2021-20050

CWE-284 Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Assigned by: PSIRT@sonicwall.com (Secondary)

References for CVE-2021-20050

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0031

Security Advisory
Vendor Advisory

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Vulnerability Details : CVE-2021-20050

Products affected by CVE-2021-20050

Exploit prediction scoring system (EPSS) score for CVE-2021-20050

CVSS scores for CVE-2021-20050

CWE ids for CVE-2021-20050

References for CVE-2021-20050