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The network device must not use the default or well-known SNMP community strings public and private.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-3210 | NET1665 | SV-3210r4_rule | High |
| Description |
|---|
| Network devices may be distributed by the vendor pre-configured with an SNMP agent using the well-known SNMP community strings public for read only and private for read and write authorization. An attacker can obtain information about a network device using the read community string "public". In addition, an attacker can change a system configuration using the write community string "private". |
| STIG | Date |
|---|---|
| Perimeter L3 Switch Security Technical Implementation Guide - Cisco | 2018-02-27 |
Details
| Check Text ( C-3822r7_chk ) |
|---|
| Review the network devices configuration and verify if either of the SNMP community strings "public" or "private" is being used. If default or well-known community strings are used for SNMP, this is a finding. |
| Fix Text (F-3235r4_fix) |
|---|
| Configure unique SNMP community strings replacing the default community strings. |