#VU76987 Permissions, Privileges, and Access Controls in ZyXEL Communications Corp. products - CVE-2022-45853
Vulnerability identifier: #VU76987
Vulnerability risk: Low
CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2022-45853
CWE-ID:
CWE-264
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
GS1900-8
Hardware solutions /
Routers & switches, VoIP, GSM, etc
GS1900-8HP
Hardware solutions /
Routers & switches, VoIP, GSM, etc
GS1900-10HP
Hardware solutions /
Routers & switches, VoIP, GSM, etc
GS1900-16
Hardware solutions /
Routers & switches, VoIP, GSM, etc
GS1900-24
Hardware solutions /
Routers & switches, VoIP, GSM, etc
GS1900-24E
Hardware solutions /
Routers & switches, VoIP, GSM, etc
GS1900-24EP
Hardware solutions /
Routers & switches, VoIP, GSM, etc
GS1900-24HPv2
Hardware solutions /
Routers & switches, VoIP, GSM, etc
GS1900-48
Hardware solutions /
Routers & switches, VoIP, GSM, etc
GS1900-48HPv2
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Vendor: ZyXEL Communications Corp.
Description
The vulnerability allows a local administrator to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions, which leads to security restrictions bypass and privilege escalation.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
GS1900-8: 2.70(AAHH.3)
GS1900-8HP: 2.70(AAHI.3)
GS1900-10HP: 2.70(AAZI.3)
GS1900-16: 2.70(AAHJ.3)
GS1900-24: 2.70(AAHL.3
GS1900-24E: 2.70(AAHK.3)
GS1900-24EP: 2.70(ABTO.3)
GS1900-24HPv2: 2.70(ABTP.3)
GS1900-48: 2.70(AAHN.3)
GS1900-48HPv2: 2.70(ABTQ.3)
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
