CVE-2021-21805
high-risk
Published 2021-08-05
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.
Do I need to act?
!
92.9% chance of exploitation in next 30 days
EPSS score — higher than 7% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
57
/ 100
high-risk
Severity
32/34 · Critical
Exploitability
20/34 · Moderate
Exposure
5/34 · Minimal