Vulnerability · Published Dec 22, 2021 · Assigned by talos
CVE-2021-21879
Critical 9.9
In plain English
A critical-severity path traversal in Lantronix. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.8% (higher than 90% of all known vulnerabilities).
Severity (CVSS 3.0)9.9Critical
Exploit odds (30 days)3.8%top 10.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-22 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1323 x_refsource_MISC