Arbitrary file upload in Cela Link Clr-M20
CVE-2018-15137
CeLa Link CLR-M20 devices allow unauthorized users to upload any file (e.g., asp, aspx, cfm, html, jhtml, jsp, or shtml), which causes remote code execution as well. Because of the WebDAV feature, it is possible to upload arbitrary files by utilizing the PUT method.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.182 (97.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.182 · newest: 0.182 · change: 0.000
Affected products
- Cela Link Clr-M20
- Cela Link Clr-M20 Firmware — versions 2.7.1.6
Weakness classification (CWE)
References
- github.com/safakaslan/CelaLinkCLRM20/issues/1 (Third Party Advisory)
- www.exploit-db.com/exploits/45021/ (VDB Entry, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2018-15137?
- CVE-2018-15137 is a critical-severity vulnerability in Cela Link Clr-M20, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2018-08-08.
- How severe is CVE-2018-15137?
- Critical severity. CVSS v3 base score is 9.8 out of 10.