CVE-2021-21879

Public Exploit

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.53%
Third-Party Advisory talosintelligence.com
Affected: n/a Lantronix
Published at:
Updated at:

References

Link Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1323 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-21879?
CVE-2021-21879 has been scored as a high severity vulnerability.
How to fix CVE-2021-21879?
To fix CVE-2021-21879, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21879 being actively exploited in the wild?
It is possible that CVE-2021-21879 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21879?
CVE-2021-21879 affects n/a Lantronix.
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