CVE-2021-21896

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.

CVSS v3.1

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

CVSS v3.0

4.9 MEDIUMCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

5.5 MEDIUMAV:N/AC:L/Au:S/C:N/I:P/A:P

EPSS

2.16% chance of exploitation in the next 30 days, 81th percentile

Published

2021-12-22

Updated

2024-08-03

Proof-of-concept exploits (1)

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

References

• CVE Record
• NVD entry

Related

• CVE-2021-21895
• CVE-2021-21897
• CVE-2021-21894
• CVE-2021-21898
• CVE-2021-21893
• CVE-2021-21899