Vulnerability · Published Dec 22, 2021 · Assigned by talos

CVE-2021-21877

Critical 9.1

In plain English

A critical-severity OS command injection in Lantronix. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.8% (higher than 86% of all known vulnerabilities).

Severity (CVSS 3.0)9.1Critical

Exploit odds (30 days)2.8%top 13.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Specially-crafted HTTP requests can lead to arbitrary command execution in “GET” requests. An attacker can make authenticated HTTP requests to trigger this vulnerability.

Affected products (as reported)

Vendor	Product	Versions
n/a	Lantronix	Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU)

Weakness: CWE-78 · Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1315 x_refsource_MISC