CVE-2023-20236
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I. Basic Information for CVE-2023-20236
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device. This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating the boot parameters for image verification during the iPXE boot process on an affected device. A successful exploit could allow the attacker to boot an unverified software image on the affected device.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
密码学签名的验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco IOS XR 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS XR是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。 Cisco IOS XR 存在安全漏洞，该漏洞源于iPXE 启动功能中存在安全漏洞，经过身份验证的攻击者可利用该漏洞在受影响设备上安装未经验证的软件映像。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Cisco | Cisco IOS XR Software | 5.2.0 | - |
II. Public POCs for CVE-2023-20236
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · Cisco · 2023-09-13 · 5 CVEs total
| CVE-2023-20191 | 5.8 MEDIUM | Cisco IOS XR 安全漏洞 |
| CVE-2023-20190 | 5.8 MEDIUM | Cisco IOS XR 安全漏洞 |
| CVE-2023-20135 | 5.7 MEDIUM | Cisco IOS XR 安全漏洞 |
| CVE-2023-20233 | 4.3 MEDIUM | Cisco IOS XR 安全漏洞 |
IV. Related Vulnerabilities
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Cisco IOS XR Software CLI Privilege Escalation Vulnerability - CVE-2025-20340
Cisco IOS XR Address Resolution Protocol Broadcast Storm Vul
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V. Comments for CVE-2023-20236
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