CVE-2022-40981

ETIC Telecom Remote Access Server Unrestricted Upload of File with Dangerous Type

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.

Remediation

Solution:

  • ETIC Telecom recommends updating the firmware of the affected devices to the following versions: * ETIC Telecom RAS: version 4.7.0 or later https://www.etictelecom.com/en/softwares-download/ For the installed devices, ETIC Telecom recommends: * For all firmware versions 4.7.0 and above, only valid configuration files can be uploaded to the device. For versions prior to 4.7.0, to reduce the attack surface, we advise the user to verify in the router configuration that: (1) The administration web page is accessible only through the LAN side over HTTPS, and (2) The administration web page is protected with authentication.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Third-Party Advisory cisa.gov
Affected: ETIC Telecom Remote Access Server (RAS)
Published at:
Updated at:

References

Link Tags
https://www.cisa.gov/uscert/ics/advisories/icsa-22-307-01 patch third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2022-40981?
CVE-2022-40981 has been scored as a medium severity vulnerability.
How to fix CVE-2022-40981?
To fix CVE-2022-40981: ETIC Telecom recommends updating the firmware of the affected devices to the following versions: * ETIC Telecom RAS: version 4.7.0 or later https://www.etictelecom.com/en/softwares-download/ For the installed devices, ETIC Telecom recommends: * For all firmware versions 4.7.0 and above, only valid configuration files can be uploaded to the device. For versions prior to 4.7.0, to reduce the attack surface, we advise the user to verify in the router configuration that: (1) The administration web page is accessible only through the LAN side over HTTPS, and (2) The administration web page is protected with authentication.
Is CVE-2022-40981 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-40981 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-40981?
CVE-2022-40981 affects ETIC Telecom Remote Access Server (RAS).
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