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CVE-2021-3129: Laravel Ignition File Upload Vulnerability

criticalknown exploitedpublic exploitCVE-2021-3129
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 Ignition contains a file upload vulnerability that allows unauthenticated remote attackers to execute malicious code due to insecure usage of file_get_contents() and file_put_contents().

CSIRTS triage

vendor: Laravelproduct: IgnitionRemote code execution
What
A file upload vulnerability allows unauthenticated remote code execution due to insecure file handling.
Who is affected
Unauthenticated remote attackers can exploit this vulnerability in Laravel Ignition.
Urgency
Remediation is urgent as the vulnerability is actively exploited and critical in severity.
Action
Users should apply the latest security updates for Laravel Ignition.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2023-09-18
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-3129

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-2021-3129coverage & exploitation statusNVD · CVE.org

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