What is CVE-2021-42759?

CVE-2021-42759 is a medium-severity vulnerability in Fortinet Meru Ap, classified under OS Command Injection. CVSS score: 6.7/10. Published 2021-12-09.

How severe is CVE-2021-42759?

Medium severity. CVSS v3 base score is 6.7 out of 10.

RCE in Fortinet Meru Ap

CVE-2021-42759

A violation of secure design principles in Fortinet Meru AP version 8.6.1 and below, version 8.5.5 and below allows attacker to execute unauthorized code or commands via crafted cli commands.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.003 (18.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fortinet Meru Ap — versions Meru AP 8.6.1, 8.6.0, 8.5.5, 8.5.4, 8.5.3, 8.5.2, 8.5.1, 8.5.0
Fortinet Meru
Fortinet Meru_firmware

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

psirt@fortinet.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-42759?: CVE-2021-42759 is a medium-severity vulnerability in Fortinet Meru Ap, classified under OS Command Injection. CVSS score: 6.7/10. Published 2021-12-09.
How severe is CVE-2021-42759?: Medium severity. CVSS v3 base score is 6.7 out of 10.