by Kastro
Paper/Archive/CVE-2021-47936

CVE-2021-47936

Opencats OpenCATS — OpenCATS 0.9.4 Remote Code Execution via Resume Upload

EPSS 0.7%public exploitCVSS 9.8
critical.is priorityof 100
50
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 51.4.514 × 2010.3Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

OpenCATS 0.9.4 contains a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary commands by uploading malicious PHP files disguised as resume attachments. Attackers can upload PHP payloads through the careers job application endpoint and execute system commands via POST requests to the uploaded file in the upload directory.

Affected

ProductAffectedFixed inSource
OpenCATS≤ 0.9.4–CNA

Scores by source

VulnCheck (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulnCheck (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

exploitexploit-db.com/exploits/50585refopencats.orgrefgithub.com/opencats/OpenCATSwriteupvulncheck.com/advisories/opencats-remote-code-execution-via-resume-upload