VulnerabilityModified

CVE-2021-20049

A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 username enumeration based on the server responses.

HIGH 7.5EPSS 1.35%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 username enumeration based on the server responses. This vulnerability impacts 10.2.1.2-24sv, 10.2.0.8-37sv and earlier 10.x versions.

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS: 1.35% probability · 70th percentile
CISA KEV: Not listed
Weakness: CWE-204, CWE-203
Affected: sonicwall/sma 100 firmware · sonicwall/sma 200 firmware · sonicwall/sma 210 firmware · sonicwall/sma 400 firmware · sonicwall/sma 410 firmware · sonicwall/sma 500v firmware
Source: PSIRT@sonicwall.com

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0030Vendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0030Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.