CVE-2022-3703

ETIC Telecom Remote Access Server Insufficient Verification of Data Authenticity

Description

All versions of ETIC Telecom Remote Access Server (RAS) 4.5.0 and prior’s web portal is vulnerable to accepting malicious firmware packages that could provide a backdoor to an attacker and provide privilege escalation to the 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, there is a code signature verification for firmware packages. For versions prior to 4.7.0, to reduce the attack surface, we advise the user to verify: (1) That the downloaded firmware comes from a trusted source (ETIC Telecom web site), and (2) The hash of the firmware files.

Category

7.6
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.04%
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 us government resource third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2022-3703?
CVE-2022-3703 has been scored as a high severity vulnerability.
How to fix CVE-2022-3703?
To fix CVE-2022-3703: 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, there is a code signature verification for firmware packages. For versions prior to 4.7.0, to reduce the attack surface, we advise the user to verify: (1) That the downloaded firmware comes from a trusted source (ETIC Telecom web site), and (2) The hash of the firmware files.
Is CVE-2022-3703 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-3703 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-2022-3703?
CVE-2022-3703 affects ETIC Telecom Remote Access Server (RAS).
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