Paper/Archive/CVE-2021-21879

CVE-2021-21879

talos — A directory traversal vulnerability exists in the Web Manager File Upload functionality of Lantronix PremierWave 2050 8.9.0.0R4.

EPSS 4%CVSS 9.9

critical.is priorityof 100

CVSS 9.9 (CNA)9.9 / 10 × 3029.7 Not in CISA KEV+300.0 EPSS percentile 89.9.899 × 2018.0 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

A directory traversal vulnerability exists in the Web Manager File Upload functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially-crafted HTTP request can lead to arbitrary file overwrite. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Affected

ProductAffectedFixed inSource

LantronixLantronix PremierWave 2050 8.9.0.0R4 (in QEMU)–CNA

Scores by source

talos (CNA)9.9CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References

reftalosintelligence.com/vulnerability_reports/TALOS-2021-1323