CVE-2022-40981

Name: CVE-2022-40981
Creator: NVD / NIST
Published: 2022-11-10T22:15:15.113+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 10/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2022-40981 is a critical-severity vulnerability rated 10/10 on the CVSS scale. 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.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

10/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS Probability

0.50%

39.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Etictelecom	Remote Access Server Firmware	<= 4.5.0

References

https://www.cisa.gov/uscert/ics/advisories/icsa-22-307-01Patch, Third Party Advisory, US Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-22-307-01Patch, Third Party Advisory, US Government Resource

Timeline

Published: Nov 10, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-40981?

How severe is CVE-2022-40981?

CVE-2022-40981 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2022-40981?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-40981?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST