CVE-2021-21877

Public Exploit

Description

Specially-crafted HTTP requests can lead to arbitrary command execution in “GET” requests. An attacker can make authenticated HTTP requests to trigger this vulnerability.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.74% Top 30%
Third-Party Advisory talosintelligence.com
Affected: n/a Lantronix
Published at:
Updated at:

References

Link Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1315 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-21877?
CVE-2021-21877 has been scored as a critical severity vulnerability.
How to fix CVE-2021-21877?
To fix CVE-2021-21877, 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-2021-21877 being actively exploited in the wild?
It is possible that CVE-2021-21877 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-2021-21877?
CVE-2021-21877 affects n/a Lantronix.
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