Vulnerability · Published Dec 22, 2021 · Assigned by talos

CVE-2021-21896

Medium 4.9

In plain English

A medium-severity path traversal in Lantronix. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.2% (higher than 83% of all known vulnerabilities).

Severity (CVSS 3.0)4.9Medium

Exploit odds (30 days)2.2%top 17.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A directory traversal vulnerability exists in the Web Manager FsBrowseClean functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to arbitrary file deletion. 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-22 · Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1338 x_refsource_MISC