What is CVE-2020-8438?

CVE-2020-8438 is a high-severity vulnerability in Arris Ruckus Zoneflex R500, classified under OS Command Injection. CVSS score: 7.2/10. Published 2020-01-29.

How severe is CVE-2020-8438?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Arris Ruckus Zoneflex R500

CVE-2020-8438

Ruckus ZoneFlex R500 104.0.0.0.1347 devices allow an authenticated attacker to execute arbitrary OS commands via the hidden /forms/nslookupHandler form, as demonstrated by the nslookuptarget=|cat${IFS} substring.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.016 (73.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Arris Ruckus_zoneflex_r500
Arris Ruckus_zoneflex_r500_firmware — versions 104.0.0.0.1347
N/a — versions n/a

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-8438?: CVE-2020-8438 is a high-severity vulnerability in Arris Ruckus Zoneflex R500, classified under OS Command Injection. CVSS score: 7.2/10. Published 2020-01-29.
How severe is CVE-2020-8438?: High severity. CVSS v3 base score is 7.2 out of 10.