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CVE-2019-9082: ThinkPHP Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2019-9082
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.
ThinkPHP contains an unspecified vulnerability that allows for remote code execution via public//?s=index/\think\app/invokefunction&function=call_user_func_array&vars[0]=system&vars[1][]= followed by the command.

CSIRTS triage

vendor: ThinkPHPRemote code execution
What
An unspecified vulnerability allows for remote code execution via crafted requests.
Who is affected
Deployments of ThinkPHP are affected by this vulnerability.
Urgency
Immediate action is required due to the critical nature of the vulnerability and successful exploitation being possible.
Action
Update to the latest version of ThinkPHP to resolve the issue.

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

Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2019-9082

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-2019-9082coverage & exploitation statusNVD · CVE.org

Recent advisories for ThinkPHP Remote Code

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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