Multiple vulnerabilities in SonicWall SMA 100
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2021-20049 CVE-2021-20050 |
| CWE-ID | CWE-204 CWE-284 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
SMA 100 Hardware solutions / Security hardware applicances |
| Vendor | SonicWall |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Observable Response Discrepancy
EUVDB-ID: #VU59079
Risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-20049
CWE-ID:
CWE-204 - Observable Response Discrepancy
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to enumerate user logins.
The vulnerability exists in the SonicWall SMA100 password change API due to different responses sent for exiting and non-existing users. A remote attacker can enumerate usernames.
Install updates from vendor's website.
Vulnerable software versionsSMA 100: 10.2.0.2-20sv - 10.2.1.2-24sv
External linkshttp://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0030
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Improper access control
EUVDB-ID: #VU59078
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-20050
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions to multiple management APIs. A remote non-authenticated attacker can obtain configuration meta-data.
MitigationInstall updates from vendor's website.
Vulnerable software versionsSMA 100: 10.2.0.2-20sv - 10.2.1.2-24sv
External linkshttp://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0031
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
