.. / CVE-2021-44139

Exploit for Alibaba Sentinel - Server-side request forgery (SSRF) (CVE-2021-44139)

Description:

There is a Pre-Auth SSRF vulnerability in Alibaba Sentinel version 1.8.2, which allows remote unauthenticated attackers to perform SSRF attacks via the /registry/machine endpoint through the ip parameter.

Nuclei Template

View the template here CVE-2021-44139.yaml

Validate with Nuclei

echo "$URL" | nuclei -t ~/nuclei-templates/http/cves/2021/CVE-2021-44139.yaml
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References:

https://nvd.nist.gov/vuln/detail/CVE-2021-44139
https://github.com/alibaba/Sentinel/issues/2451