CVE-2021-21889
CVSS v3
9.9
CRITICAL
EPSS Score
3.7 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A stack-based buffer overflow vulnerability exists in the Web Manager Ping functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to remote code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.
Technical details
- Published
- 2021-12-22
Frequently asked questions
What is CVE-2021-21889?
A stack-based buffer overflow vulnerability exists in the Web Manager Ping functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to remote code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.
Is CVE-2021-21889 actively exploited?
Active exploitation of CVE-2021-21889 has not been confirmed. The EPSS score is 3.7%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-21889?
CVE-2021-21889 has a CVSS v3 base score of 9.9 (CRITICAL severity).
Is CVE-2021-21889 affecting your environment?
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