JVN#55917325
Multiple vulnerabilities in Aterm SA3500G

Overview

Aterm SA3500G provided by NEC Corporation contains multiple vulnerabilities.

Products Affected

• Aterm SA3500G firmware versions prior to Ver. 3.5.9

Description

Aterm SA3500G provided by NEC Corporation contains multiple vulnerabilities listed below.

• OS command injection (CWE-78) - CVE-2020-5635

  CVSS v3	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Base Score: 8.8
  CVSS v2	AV:A/AC:L/Au:N/C:P/I:P/A:P	Base Score: 5.8

• OS command injection (CWE-78) - CVE-2020-5636

  CVSS v3	CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	Base Score: 6.8
  CVSS v2	AV:A/AC:L/Au:S/C:P/I:P/A:P	Base Score: 5.2

• Improper Validation of Integrity Check Value (CWE-354) - CVE-2020-5637

  CVSS v3	CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	Base Score: 6.8
  CVSS v2	AV:A/AC:L/Au:S/C:P/I:P/A:P/td>	Base Score: 5.2

Impact

• If an attacker who can access the device sends a specially crafted request to a specific URL, an arbitrary command may be executed - CVE-2020-5635
• If a user sends a specially crafted request to a specific URL while logged in to the management screen of the device, an arbitrary command may be executed - CVE-2020-5636
• An attacker who can access the management screen of the device may execute a malicious program - CVE-2020-5637

Solution

Update the Firmware
Update the firmware to the latest version according to the information provided by the developer.