Vulnerability · Published Dec 22, 2021 · Assigned by talos

CVE-2021-21888

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 3.9% (higher than 90% of all known vulnerabilities).

Severity (CVSS 3.0)9.1Critical

Exploit odds (30 days)3.9%top 9.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

An OS command injection vulnerability exists in the Web Manager SslGenerateCertificate functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request 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-2021-1332 x_refsource_MISC