What is CVE-2021-35032?

CVE-2021-35032 is a medium-severity vulnerability in Zyxel Gs1900-10hp, classified under OS Command Injection. CVSS score: 6.4/10. Published 2021-12-28.

How severe is CVE-2021-35032?

Medium severity. CVSS v3 base score is 6.4 out of 10.

RCE in Zyxel Gs1900-10hp

CVE-2021-35032

A vulnerability in the 'libsal.so' of the Zyxel GS1900 series firmware version 2.60 could allow an authenticated local user to execute arbitrary OS commands via a crafted function call.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.002 (11.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zyxel Gs1900-10hp
Zyxel Gs1900-10hp_firmware
Zyxel Gs1900-16
Zyxel Gs1900-16_firmware
Zyxel Gs1900-24
Zyxel Gs1900-24e
Zyxel Gs1900-24e_firmware
Zyxel Gs1900-24ep
Zyxel Gs1900-24ep_firmware
Zyxel Gs1900-24_firmware

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

security@zyxel.com.tw (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-35032?: CVE-2021-35032 is a medium-severity vulnerability in Zyxel Gs1900-10hp, classified under OS Command Injection. CVSS score: 6.4/10. Published 2021-12-28.
How severe is CVE-2021-35032?: Medium severity. CVSS v3 base score is 6.4 out of 10.