Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 3 |
CVE-ID | CVE-2020-5635 CVE-2020-5636 CVE-2020-5637 |
CWE-ID | CWE-78 CWE-354 |
Exploitation vector | Local network |
Public exploit | N/A |
Vulnerable software Subscribe |
Aterm SA3500G Hardware solutions / Routers & switches, VoIP, GSM, etc |
Vendor | NEC Corporation |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
EUVDB-ID: #VU48958
Risk: Medium
CVSSv3.1: 7.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-5635
CWE-ID:
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation. A remote unauthenticated attacker on the local network can send a specially crafted request to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAterm SA3500G: before 3.5.9
External linkshttp://jvn.jp/en/jp/JVN55917325/index.html
http://jvn.jp/jp/JVN55917325/index.html
http://www.necplatforms.co.jp/product/security_ap/info_20201211.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU48959
Risk: Low
CVSSv3.1: 5.9 [CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-5636
CWE-ID:
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation. A remote administrator on the local network can send a specially crafted request and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAterm SA3500G: before 3.5.9
External linkshttp://jvn.jp/en/jp/JVN55917325/index.html
http://jvn.jp/jp/JVN55917325/index.html
http://www.necplatforms.co.jp/product/security_ap/info_20201211.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU48960
Risk: Low
CVSSv3.1: 5.9 [CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-5637
CWE-ID:
CWE-354 - Improper Validation of Integrity Check Value
Exploit availability: No
DescriptionThe vulnerability allows a remote user to compromise the target system.
The vulnerability exists due to the software of the affected products does not check the integrity. A remote administrator on the local network can access the management screen of the device and execute a malicious program.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAterm SA3500G: before 3.5.9
External linkshttp://jvn.jp/en/jp/JVN55917325/index.html
http://jvn.jp/jp/JVN55917325/index.html
http://www.necplatforms.co.jp/product/security_ap/info_20201211.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.