CVSS v3
9.8
CRITICAL
EPSS Score
93.1%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
A remote code execution vulnerability in development mode Rails <5.2.2.1, <6.0.0.beta3 can allow an attacker to guess the automatically generated development mode secret token. This secret token can be used in combination with other Rails internals to escalate to a remote code execution exploit.
A remote code execution vulnerability in development mode Rails <5.2.2.1, <6.0.0.beta3 can allow an attacker to guess the automatically generated development mode secret token. This secret token can be used in combination with other Rails internals to escalate to a remote code execution exploit.
Active exploitation of CVE-2019-5420 has not been confirmed. The EPSS score is 93.1%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2019-5420 has a CVSS v3 base score of 9.8 (CRITICAL severity).
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Ranked by exploit probability (EPSS).