CVE-2020-3220— Cisco IOS XE Software IPsec VPN Denial of Service Vulnerability
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I. Basic Information for CVE-2020-3220
Vulnerability Information
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Vulnerability Title
Cisco IOS XE Software IPsec VPN Denial of Service Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the hardware crypto driver of Cisco IOS XE Software for Cisco 4300 Series Integrated Services Routers and Cisco Catalyst 9800-L Wireless Controllers could allow an unauthenticated, remote attacker to disconnect legitimate IPsec VPN sessions to an affected device. The vulnerability is due to insufficient verification of authenticity of received Encapsulating Security Payload (ESP) packets. An attacker could exploit this vulnerability by tampering with ESP cleartext values as a man-in-the-middle.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对数据真实性的验证不充分
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco 4300 Series Integrated Services Routers和Cisco Catalyst 9800-L Wireless Controllers IOS XE 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS XE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 4300 Series Integrated Services Routers和Cisco Catalyst 9800-L Wireless Controllers中的Cisco IOS XE IPsec VPN存在数据伪造问题漏洞，该漏洞源于程序未验证接收ESP数据包的真实性。远程攻击者可通过篡改ESP明文值利用该漏洞断开与设备的IPsec VPN会话。
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 XE Software 16.4.1 | n/a | - |
II. Public POCs for CVE-2020-3220
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-vpn-dos-edOmW28Zvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2020-3220
Same Patch Batch · Cisco · 2020-06-03 · 50 CVEs total
| CVE-2020-3353 | 5.9 MEDIUM | Cisco Identity Services Engine Denial of Service Vulnerability |
| CVE-2020-3319 | 3.3 LOW | Cisco Webex Network Recording Player and Cisco Webex Player Denial of Service Vulnerabilit |
| CVE-2020-3322 | 3.3 LOW | Cisco Webex Network Recording Player and Cisco Webex Player Denial of Service Vulnerabilit |
| CVE-2020-3321 | 3.3 LOW | Cisco Webex Network Recording Player and Cisco Webex Player Denial of Service Vulnerabilit |
| CVE-2020-3333 | Cisco Application Services Engine Software Unauthenticated Event Policies Update Vulnerabi | |
| CVE-2020-3257 | Cisco IOx Application Environment for IOS Software for Cisco Industrial Routers Vulnerabil | |
| CVE-2020-3267 | Cisco Unified Contact Center Express Improper API Authorization Vulnerability | |
| CVE-2020-3258 | Cisco IOS Software for Cisco Industrial Routers Arbitrary Code Execution Vulnerabilities | |
| CVE-2020-3281 | Cisco Digital Network Architecture Center Information Disclosure Vulnerability | |
| CVE-2020-3232 | Cisco ASR 920 Series Aggregation Services Router Model 12SZ-IM SNMP Denial of Service Vuln | |
| CVE-2020-3200 | Cisco IOS and IOS XE Software Secure Shell Denial of Service Vulnerability | |
| CVE-2020-3199 | Cisco IOx Application Environment for IOS Software for Cisco Industrial Routers Vulnerabil | |
| CVE-2020-3198 | Cisco IOS Software for Cisco Industrial Routers Arbitrary Code Execution Vulnerabilities | |
| CVE-2020-3228 | Cisco IOS, IOS XE, and NX-OS Software Security Group Tag Exchange Protocol Denial of Servi | |
| CVE-2020-3231 | Cisco IOS Software for Catalyst 2960-L Series Switches and Catalyst CDB-8P Switches 802.1X | |
| CVE-2020-3230 | Cisco IOS and IOS XE Software Internet Key Exchange Version 2 Denial of Service Vulnerabil | |
| CVE-2020-3229 | Cisco IOS XE Software Web UI Privilege Escalation Vulnerability | |
| CVE-2020-3227 | Cisco IOx for IOS XE Software Privilege Escalation Vulnerability | |
| CVE-2020-3225 | Cisco IOS and IOS XE Software Common Industrial Protocol Denial of Service Vulnerabilities | |
| CVE-2020-3233 | Cisco IOx Application Framework Local Manager Stored Cross-Site Scripting Vulnerability |
Showing top 20 of 50 CVEs. View all on vendor page → →
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