phoenixcontact fl_switch_smcs_16tx_firmware 使用共享资源的并发执行不恰当同步问题（竞争条件）
CVE编号
CVE-2021-21005利用情况
暂无补丁情况
N/A披露时间
2021-06-26漏洞描述
In Phoenix Contact FL SWITCH SMCS series products in multiple versions if an attacker sends a hand-crafted TCP-Packet with the Urgent-Flag set and the Urgent-Pointer set to 0, the network stack will crash. The device needs to be rebooted afterwards.解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。
参考链接 |
|
|---|---|
| https://cert.vde.com/en-us/advisories/vde-2021-023 |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 系统 | phoenixcontact | fl_nat_smn_8tx-m_firmware | * | Up to (including) 4.63 | |||||
| 运行在以下环境 | |||||||||
| 系统 | phoenixcontact | fl_nat_smn_8tx_firmware | * | Up to (including) 4.63 | |||||
| 运行在以下环境 | |||||||||
| 系统 | phoenixcontact | fl_switch_smcs_14tx/2fx-sm_firmware | * | Up to (including) 4.70 | |||||
| 运行在以下环境 | |||||||||
| 系统 | phoenixcontact | fl_switch_smcs_14tx/2fx_firmware | * | Up to (including) 4.70 | |||||
| 运行在以下环境 | |||||||||
| 系统 | phoenixcontact | fl_switch_smcs_16tx_firmware | * | Up to (including) 4.70 | |||||
| 运行在以下环境 | |||||||||
| 系统 | phoenixcontact | fl_switch_smcs_4tx-pn_firmware | * | Up to (including) 4.70 | |||||
| 运行在以下环境 | |||||||||
| 系统 | phoenixcontact | fl_switch_smcs_6gt/2sfp_firmware | * | Up to (including) 4.70 | |||||
| 运行在以下环境 | |||||||||
| 系统 | phoenixcontact | fl_switch_smcs_6tx/2sfp_firmware | * | Up to (including) 4.70 | |||||
| 运行在以下环境 | |||||||||
| 系统 | phoenixcontact | fl_switch_smcs_8gt_firmware | * | Up to (including) 4.70 | |||||
| 运行在以下环境 | |||||||||
| 系统 | phoenixcontact | fl_switch_smcs_8tx-pn_firmware | * | Up to (including) 4.70 | |||||
| 运行在以下环境 | |||||||||
| 系统 | phoenixcontact | fl_switch_smcs_8tx_firmware | * | Up to (including) 4.70 | |||||
| 运行在以下环境 | |||||||||
| 系统 | phoenixcontact | fl_switch_smn_6tx/2fx_firmware | * | Up to (including) 4.70 | |||||
| 运行在以下环境 | |||||||||
| 系统 | phoenixcontact | fl_switch_smn_6tx/2fx_sm_firmware | * | Up to (including) 4.70 | |||||
| 运行在以下环境 | |||||||||
| 系统 | phoenixcontact | fl_switch_smn_6tx/2pof-pn_firmware | * | Up to (including) 4.70 | |||||
| 运行在以下环境 | |||||||||
| 系统 | phoenixcontact | fl_switch_smn_8tx-pn_firmware | * | Up to (including) 4.70 | |||||
| 运行在以下环境 | |||||||||
| 硬件 | phoenixcontact | fl_nat_smn_8tx | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | phoenixcontact | fl_nat_smn_8tx-m | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | phoenixcontact | fl_switch_smcs_14tx/2fx | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | phoenixcontact | fl_switch_smcs_14tx/2fx-sm | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | phoenixcontact | fl_switch_smcs_16tx | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | phoenixcontact | fl_switch_smcs_4tx-pn | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | phoenixcontact | fl_switch_smcs_6gt/2sfp | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | phoenixcontact | fl_switch_smcs_6tx/2sfp | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | phoenixcontact | fl_switch_smcs_8gt | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | phoenixcontact | fl_switch_smcs_8tx | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | phoenixcontact | fl_switch_smcs_8tx-pn | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | phoenixcontact | fl_switch_smn_6tx/2fx | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | phoenixcontact | fl_switch_smn_6tx/2fx_sm | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | phoenixcontact | fl_switch_smn_6tx/2pof-pn | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | phoenixcontact | fl_switch_smn_8tx-pn | - | - | |||||
- 攻击路径 网络
- 攻击复杂度 低
- 权限要求 无
- 影响范围 未更改
- 用户交互 无
- 可用性 高
- 保密性 无
- 完整性 无
| CWE-ID | 漏洞类型 |
| CWE-362 | 使用共享资源的并发执行不恰当同步问题（竞争条件） |
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