CVE-2021-21805
CVSS v3
9.8
CRITICAL
EPSS Score
90.9 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An OS Command Injection vulnerability exists in the ping.php script functionality of Advantech R-SeeNet v 2.4.12 (20.10.2020). A specially crafted HTTP request can lead to arbitrary OS command execution. An attacker can send a crafted HTTP request to trigger this vulnerability.
Technical details
- Published
- 2021-08-05
Frequently asked questions
What is CVE-2021-21805?
An OS Command Injection vulnerability exists in the ping.php script functionality of Advantech R-SeeNet v 2.4.12 (20.10.2020). A specially crafted HTTP request can lead to arbitrary OS command execution. An attacker can send a crafted HTTP request to trigger this vulnerability.
Is CVE-2021-21805 actively exploited?
Active exploitation of CVE-2021-21805 has not been confirmed. The EPSS score is 90.9%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-21805?
CVE-2021-21805 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-21805 affecting your environment?
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