Critical severity · published Nov 10, 2022
CVE-2022-3703
ETIC Telecom Remote Access Server Insufficient Verification of Data Authenticity
10.0
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RA
Remote Access Server (RAS) · ETIC Telecom
through 4.5.0 · source: vendor
RA
Remote Access Server Firmware · Etictelecom
through 4.5.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-3703
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-3703
Patch
https://www.cisa.gov/uscert/ics/advisories/icsa-22-307-01
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