CVE-2022-40981
CRITICAL
Published Nov 10, 20223y ago · Modified Jun 17, 20262w ago
10.0 CVSS 3.1
Published Nov 10, 2022 3y ago
Last Modified Jun 17, 2026 2w ago
Description
All versions of ETIC Telecom Remote Access Server (RAS) 4.5.0 and prior is vulnerable to malicious file upload. An attacker could take advantage of this to store malicious files on the server, which could override sensitive and useful existing files on the filesystem, fill the hard disk to full capacity, or compromise the affected device or computers with administrator level privileges connected to the affected device.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality High
Integrity High
Availability High
Threat Intelligence
No active exploitation signals — not in CISA KEV and no EPSS score yet.
Exploit & Patch Status
No Known Exploit
Patch Available
Weaknesses 1
CWE-434 Unrestricted Upload of File with Dangerous Type Resource Mgmt
Affected Products 14
| Vendor | Product | Version | Range |
|---|---|---|---|
| etictelecom | remote_access_server_firmware | * | ≤4.5.0 |
| etictelecom | ras-c-100-lw | * | any |
| etictelecom | ras-e-100 | * | any |
| etictelecom | ras-e-220 | * | any |
| etictelecom | ras-e-400 | * | any |
| etictelecom | ras-ec-220-lw | * | any |
| etictelecom | ras-ec-400-lw | * | any |
| etictelecom | ras-ec-480-lw | * | any |
| etictelecom | ras-ecw-220-lw | * | any |
| etictelecom | ras-ecw-400-lw | * | any |
| etictelecom | ras-ew-100 | * | any |
| etictelecom | ras-ew-220 | * | any |
| etictelecom | ras-ew-400 | * | any |
| etictelecom | rfm-e | * | any |
References 1
- cisa.gov https://www.cisa.gov/uscert/ics/advisories/icsa-22-307-01
Remediation
- cisa.gov https://www.cisa.gov/uscert/ics/advisories/icsa-22-307-01