CVE-2022-20691
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I. Basic Information for CVE-2022-20691
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the Cisco Discovery Protocol functionality of Cisco ATA 190 Series Adaptive Telephone Adapter firmware could allow an unauthenticated, adjacent attacker to cause a DoS condition of an affected device. This vulnerability is due to missing length validation of certain Cisco Discovery Protocol packet header fields. An attacker could exploit this vulnerability by sending crafted Cisco Discovery Protocol packets to an affected device. A successful exploit could allow the attacker to cause the device to exhaust available memory and cause the service to restart. Cisco has released firmware updates that address this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco ATA 190 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco ATA 190是美国思科（Cisco）公司的一个模拟电话适配器。 Cisco ATA 190 Series 存在安全漏洞，该漏洞源于 Cisco 发现协议和链路层发现协议 (LLDP) 中存在多个漏洞。这些漏洞可能允许攻击者执行代码、导致服务意外重新加载或导致 Cisco 发现协议或 LLDP 数据库损坏受影响的设备。
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 Analog Telephone Adaptor (ATA) Software | 1.2.1 | - |
II. Public POCs for CVE-2022-20691
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Cisco · 2022-12-07 · 6 CVEs total
| CVE-2022-20690 | 5.3 MEDIUM | Cisco ATA 190 输入验证错误漏洞 |
| CVE-2022-20689 | 5.3 MEDIUM | Cisco ATA 190 输入验证错误漏洞 |
| CVE-2022-20688 | 5.3 MEDIUM | Cisco ATA 190 输入验证错误漏洞 |
| CVE-2022-20687 | 5.3 MEDIUM | Cisco ATA 190 输入验证错误漏洞 |
| CVE-2022-20686 | 5.3 MEDIUM | Cisco ATA 190 代码注入漏洞 |
IV. Related Vulnerabilities
Same product: Cisco Analog Telephone Adaptor (ATA) Software
- CVE-2022-20766
Cisco ATA 190 Series Analog Telephone Adapter firmware Cisco - CVE-2024-20463
Cisco ATA 190 Series Analog Telephone Adapter Firmware Comma - CVE-2024-20462
Cisco ATA 190 Series Analog Telephone Adapter Muliplatform F - CVE-2024-20461
Cisco ATA 190 Series Analog Telephone Adapter Firmware Comma - CVE-2024-20460
Cisco ATA 190 Series Analog Telephone Adapter Firmware Refle
Same vendor: Cisco
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Cisco Slido 安全漏洞 - CVE-2026-20034
Cisco Unity Connection Remote Code Execution Vulnerability - CVE-2026-20035
Cisco Unity Connection Server-Side Request Forgery Vulnerabi - CVE-2026-20167
Cisco IoT Field Network Director Remote Device Denial of Ser - CVE-2026-20169
Cisco IoT Field Network Director Command Injection Vulnerabi
Same weakness: CWE-400
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Open5GS UPF gtp-path.c _gtpv1_u_recv_cb resource consumption - CVE-2026-42343
FastGPT: Uncontrolled Resource Consumption leading to Sandbo - CVE-2026-42212
SolidCAM-GPPL-IDE: XML External Entity (XXE) and billion-lau - CVE-2026-32686
Unbounded exponent in decimal enables unauthenticated DoS - CVE-2026-20188
Cisco Crosswork Network Controller and Cisco Network Service
V. Comments for CVE-2022-20691
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