CVE-2017-12211
Quick assessment
Affected
n/a Cisco IOS and Cisco IOS XE
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Cisco IOS和IOS XE Software都是美国思科（Cisco）公司为其网络设备开发的操作系统。 Cisco IOS和IOS XE Software中的IPv6 Simple Network Management Protocol (SNMP)存在拒绝服务漏洞。远程攻击者可通过轮询受影响设备的IPv6信息利用该漏洞造成拒绝服务（大量占用CPU或设备重载）。
Possible ATT&CK Techniques 1 AI
T1490 · Inhibit System Recovery
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I. Basic Information for CVE-2017-12211
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the IPv6 Simple Network Management Protocol (SNMP) code of Cisco IOS and Cisco IOS XE Software could allow an authenticated, remote attacker to cause high CPU usage or a reload of the device. The vulnerability is due to IPv6 sub block corruption. An attacker could exploit this vulnerability by polling the affected device IPv6 information. An exploit could allow the attacker to trigger high CPU usage or a reload of the device. Known Affected Releases: Denali-16.3.1. Cisco Bug IDs: CSCvb14640.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
资源管理错误
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco IOS和IOS XE Software 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS和IOS XE Software都是美国思科（Cisco）公司为其网络设备开发的操作系统。 Cisco IOS和IOS XE Software中的IPv6 Simple Network Management Protocol (SNMP)存在拒绝服务漏洞。远程攻击者可通过轮询受影响设备的IPv6信息利用该漏洞造成拒绝服务（大量占用CPU或设备重载）。
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 IOS and Cisco IOS XE | Cisco IOS and Cisco IOS XE | - |
|
II. Public POCs for CVE-2017-12211
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2017-12211 (3)
Other References for CVE-2017-12211 (1)
-
https://quickview.cloudapps.cisco.com/quickview/bug/CSCvb14640 x_refsource_CONFIRM
Same Patch Batch · n/a · 2017-09-07 · 77 CVEs total
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IV. Related Vulnerabilities
V. Comments for CVE-2017-12211
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