CVE-2021-21878 — MEDIUM (4.9)

Vulnerability Description

A local file inclusion vulnerability exists in the Web Manager Applications and FsBrowse functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially-crafted series of HTTP requests can lead to local file inclusion. An attacker can make a series of authenticated HTTP requests to trigger this vulnerability.

CVSS Score

4.9

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Lantronix	Premierwave 2050 Firmware	8.9.0.0
Lantronix	Premierwave 2050	-

Related Weaknesses (CWE)

CWE-668

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1322ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1322ExploitThird Party Advisory

FAQ

What is CVE-2021-21878?

CVE-2021-21878 is a vulnerability with a CVSS score of 4.9 (MEDIUM). A local file inclusion vulnerability exists in the Web Manager Applications and FsBrowse functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially-crafted series of HTTP requests can lead to ...

How severe is CVE-2021-21878?

CVE-2021-21878 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-21878?

Check the references section above for vendor advisories and patch information. Affected products include: Lantronix Premierwave 2050 Firmware, Lantronix Premierwave 2050.