CVE-2020-3455 (CNNVD-202010-1148)
中文标题:
Cisco FXOS Software 安全漏洞
英文标题:
Cisco FXOS Software for Firepower 4100/9300 Series Appliances Secure Boot Bypass Vulnerability
漏洞描述
中文描述:
Cisco FXOS Software是美国思科(Cisco)公司的一套运行在思科安全设备中的防火墙软件。 Cisco FXOS 存在安全漏洞,该漏洞源于安全引导过程的保护不够。攻击者可利用该漏洞可以利用这个漏洞,将代码注入到特定的文件中,然后在设备引导过程中引用该文件。攻击者可利用该漏洞破坏信任链,并将代码注入设备的引导过程中,该过程将在每次引导时执行,并在重新引导时保持持久性。
英文描述:
A vulnerability in the secure boot process of Cisco FXOS Software could allow an authenticated, local attacker to bypass the secure boot mechanisms. The vulnerability is due to insufficient protections of the secure boot process. An attacker could exploit this vulnerability by injecting code into a specific file that is then referenced during the device boot process. A successful exploit could allow the attacker to break the chain of trust and inject code into the boot process of the device which would be executed at each boot and maintain persistence across reboots.
CWE类型:
标签:
受影响产品
| 厂商 | 产品 | 版本 | 版本范围 | 平台 | CPE |
|---|---|---|---|---|---|
| Cisco | Cisco Firepower Extensible Operating System (FXOS) | n/a | - | - |
cpe:2.3:a:cisco:cisco_firepower_extensible_operating_system_(fxos):n_a:*:*:*:*:*:*:*
|
| cisco | firepower_extensible_operating_system | * | - | - |
cpe:2.3:o:cisco:firepower_extensible_operating_system:*:*:*:*:*:*:*:*
|
解决方案
中文解决方案:
英文解决方案:
临时解决方案:
参考链接
cve.org
CVSS评分详情
3.0 (cna)
MEDIUMCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
时间信息
利用信息
数据源详情
| 数据源 | 记录ID | 版本 | 提取时间 |
|---|---|---|---|
| CVE | cve_CVE-2020-3455 |
2025-11-11 15:20:37 | 2025-11-11 07:36:19 |
| NVD | nvd_CVE-2020-3455 |
2025-11-11 14:57:04 | 2025-11-11 07:44:43 |
| CNNVD | cnnvd_CNNVD-202010-1148 |
2025-11-11 15:10:31 | 2025-11-11 07:56:28 |
版本与语言
安全公告
变更历史
查看详细变更
- vulnerability_type: 未提取 -> 其他
- cnnvd_id: 未提取 -> CNNVD-202010-1148
- data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
查看详细变更
- affected_products_count: 1 -> 2
- data_sources: ['cve'] -> ['cve', 'nvd']