CVSS v3
9.8
CRITICAL
EPSS Score
27.7%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
OpenCATS through 0.9.5-3 unsafely deserializes index.php?m=activity requests, leading to remote code execution. This occurs because lib/DataGrid.php calls unserialize for the parametersactivity:ActivityDataGrid parameter. The PHP object injection exploit chain can leverage an __destruct magic method in guzzlehttp.
OpenCATS through 0.9.5-3 unsafely deserializes index.php?m=activity requests, leading to remote code execution. This occurs because lib/DataGrid.php calls unserialize for the parametersactivity:ActivityDataGrid parameter. The PHP object injection exploit chain can leverage an __destruct magic method in guzzlehttp.
Active exploitation of CVE-2021-25294 has not been confirmed. The EPSS score is 27.7%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2021-25294 has a CVSS v3 base score of 9.8 (CRITICAL severity).
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Ranked by exploit probability (EPSS).