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CVE-2024-20338

高
7.3
0.05.010.0
年份
2024
发布日期
2024年3月6日
受影响设备
0
CVSS 评分
7.3

CVE-2024-20338 是什么？

适用于 Linux 的思科安全客户端的 ISE 安全评估（系统扫描）模块中存在漏洞，可能允许经过身份验证的本地攻击者提升受影响设备上的权限。 此漏洞是由于使用不受控制的搜索路径元素造成的。攻击者可以通过将恶意库文件复制到文件系统中的特定目录并说服管理员重新启动特定进程来利用此漏洞。成功利用该漏洞可能允许攻击者以 root 权限在受影响的设备上执行任意代码。

CVSS Vector Breakdown

CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
AV
Attack Vector
Local

Requires local access — attacker must be logged in or have physical access to the device.

AC
Attack Complexity
Low

No special conditions required. Exploit can be performed reliably and repeatedly.

PR
Privileges Required
Low

Basic user account required (e.g. standard login without admin rights).

UI
User Interaction
Required

Victim must take an action (e.g. click a link, open a file) for the exploit to succeed.

S
Scope
Unchanged

Exploiting the vulnerability only affects the vulnerable component itself.

C
Confidentiality Impact
High

Complete loss of confidentiality. All data on the component may be exposed.

I
Integrity Impact
High

Complete loss of integrity. Attacker can modify any file or data on the component.

A
Availability Impact
High

Complete denial of service. The component becomes fully unavailable.

受影响设备

Cisco Cisco ISR 4461 Cisco Cisco ISR 927 Cisco Cisco ISR 951 Cisco Cisco ASR 1001-X Cisco Cisco ASR 1002-HX Cisco Cisco ASR 1004 Cisco Cisco ASR 1009-X Cisco Cisco ASR 9001 Cisco Cisco ASR 9006 Cisco Cisco ASR 9010 Cisco Cisco ASR 9901 Cisco Cisco ASR 9910 Cisco Cisco ASR 9912 Cisco Cisco Catalyst 2960-24TC-L Cisco Cisco Catalyst 2960X-48TS-L Cisco Cisco Catalyst 2960X-24PSQ-L Cisco Cisco Catalyst 2960X-48FPS-L Cisco Cisco Catalyst 2960XR-48TS-I Cisco Cisco Catalyst 2960L-24TS-LL Cisco Cisco Catalyst 3650-24TS-L Cisco Cisco Catalyst 3650-24PS-L Cisco Cisco Catalyst 3650-48TS-L Cisco Cisco Catalyst 9200-24P Cisco Cisco Catalyst 9200-24T Cisco Cisco Catalyst 9200-48T Cisco Cisco Catalyst 9200L-24P-4X Cisco Cisco Catalyst 9200L-48P-4G Cisco Cisco Catalyst 9300-24T Cisco Cisco Catalyst 9300-24U Cisco Cisco Catalyst 9300-48T Cisco Cisco Catalyst 9300-48UXM Cisco Cisco Catalyst 9300L-24T-4G Cisco Cisco Catalyst 9300L-48T-4G Cisco Cisco Catalyst 9404R Cisco Cisco Catalyst 9407R Cisco Cisco Catalyst 9500-16X Cisco Cisco Catalyst 9500-48Y4C Cisco Cisco Catalyst 9600-40YC Cisco Cisco Nexus 7004 Cisco Cisco Nexus 7018 Cisco Cisco Nexus 9364C Cisco Cisco Nexus 9508 Cisco Cisco ASA 5585-X SSP-20 Cisco Cisco Firepower 1010 Cisco Cisco Firepower 1120 Cisco Cisco Firepower 2110 Cisco Cisco Firepower 2120 Cisco Cisco Firepower 2140 Cisco Cisco Firepower 4112 Cisco Cisco Firepower 4125 Cisco Cisco Firepower 4140 Cisco Cisco Firepower 4145 Cisco Cisco Catalyst 9800-L-C Cisco Cisco Catalyst 9800-L-F Cisco Cisco Meraki MS390-24

常见问题

CVE-2024-20338 的严重程度如何？

CVE-2024-20338 的 CVSS 评分为 7.3/10，评级为 High。 这是高严重性漏洞，应尽快修补。

CVE-2024-20338 的 CVSS 分数意味着什么？

CVSS（通用漏洞评分系统）将漏洞严重性评为 0.0 至 10.0。CVE-2024-20338 得分为 7.3/10（High）。9.0–10.0 为严重，7.0–8.9 为高危，4.0–6.9 为中危，4.0 以下为低危。

哪些设备受到 CVE-2024-20338 影响？

受 CVE-2024-20338 影响的已确认设备列表显示在上方 受影响设备部分。请将您的固件版本与供应商安全公告进行比对，并应用最新补丁。

如何修复或缓解 CVE-2024-20338？

应用供应商提供的最新固件或软件更新。查看上方参考资料部分获取官方公告和补丁说明。如果没有补丁，请考虑禁用受影响的功能或将设备与不受信任的网络隔离。