What is CVE-2021-20017?

CVE-2021-20017 is a high-severity vulnerability in Sonicwall Sma100, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-03-13.

How severe is CVE-2021-20017?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Sonicwall Sma100

CVE-2021-20017

A post-authenticated command injection vulnerability in SonicWall SMA100 allows an authenticated attacker to execute OS commands as a 'nobody' user. This vulnerability impacts SMA100 version 10.2.0.5 and earlier.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.018 (76.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Sonicwall Sma100 — versions 10.2.0.5 and earlier
Sonicwall Sma100_firmware

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

PSIRT@sonicwall.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-20017?: CVE-2021-20017 is a high-severity vulnerability in Sonicwall Sma100, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-03-13.
How severe is CVE-2021-20017?: High severity. CVSS v3 base score is 8.8 out of 10.