CVE-2021-21878

mediumpriority · track · 20EPSS 0.012 · 69 %ileEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.24% (69th) EPSS
CVSS 6.8 · medium
Is it mine?
2 products
Check your exposure
Who says so?
3 sources
cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

01

cvss

Technical severity, 0–10. One row per scoring source.

6.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.06.8mediumAV:N/AC:L/Au:S/C:C/I:N/A:Nprimary · NVD / NIST USexploitability 8 · impact 6.9
v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 1.2 · impact 3.6
v3.04.9mediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:Nsecondary · ENISA EU
v3.04.9mediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:Nsecondary · talos-cna@cisco.com USexploitability 1.2 · impact 3.6
v3.14.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-668USprimary
03

affected products (2)

Products and version ranges known to be affected.

04

also known as (3)

Other names and identifiers for this entity.

05

sources

Which sources assert this record, and when.

cnnvdenisa_euvdnvdNVDCVE.orgMITRE
published 2021-12-22modified 2026-06-17
07

references (5)

External citations — patches, advisories, analysis.

scry

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