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CVE-2018-15133: Laravel Deserialization of Untrusted Data Vulnerability

criticalknown exploitedpublic exploitCVE-2018-15133
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Laravel Framework contains a deserialization of untrusted data vulnerability, allowing for remote command execution. This vulnerability may only be exploited if a malicious user has accessed the application encryption key (APP_KEY environment variable).

CSIRTS triage

vendor: Laravelproduct: Laravel FrameworkRemote code execution
What
A deserialization of untrusted data vulnerability allows for remote command execution.
Who is affected
Deployments of Laravel Framework where the application encryption key is accessible.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update to the latest version of Laravel Framework.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2024-01-16
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2018-15133

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2018-15133coverage & exploitation statusNVD · CVE.org

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