#VU59079 Observable Response Discrepancy in SMA 100 - CVE-2021-20049

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Main Vulnerability Database Vulnerabilities #VU59079

#VU59079 Observable Response Discrepancy in SMA 100 - CVE-2021-20049

Published: December 21, 2021


Vulnerability identifier: #VU59079
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-20049
CWE-ID: CWE-204
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
SMA 100
Software vendor:
SonicWall

Description

The 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.


Remediation

Install updates from vendor's website.

External links