Vulnerability Intelligence Report
CVE-2021-21879
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.
No Active Exploit Signals
CVSS Base Score
9.9
CRITICAL
Exploitability:3.2
Impact Score:6.1
EPSS Probability:3.66%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-22 ↗CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| lantronix | premierwave_2050 | 8.9.0.0 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
3.656%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Talos · Researcher · USA |
| Reserved | 2021-01-04T00:00:00 |
| Published | 2021-12-22T18:06:30 |
| Last Updated | 2024-08-03T18:23:29 |
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