Paper/Archive/CVE-2021-21894

CVE-2021-21894

talos — A directory traversal vulnerability exists in the Web Manager FsTFtp functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU).

EPSS 2%CVSS 9.1

critical.is priorityof 100

CVSS 9.1 (CNA, NVD agree)9.1 / 10 × 3027.3 Not in CISA KEV+300.0 EPSS percentile 84.6.846 × 2016.9 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

A directory traversal vulnerability exists in the Web Manager FsTFtp functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to arbitrary file overwrite FsTFtp file disclosure. 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

NVD9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

talos (CNA)9.1CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References

reftalosintelligence.com/vulnerability_reports/TALOS-2021-1337