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CVE-2011-2549

Quick assessment

Affected
n/a n/a
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 ASR 9000系列路由器IP Version 4中存在拒绝服务漏洞。在处理IPv4报文时，运行Cisco IOS XR Software v4.1.0的Cisco ASR 9000系列设备可造成线卡中的网络处理器锁定，处理恶意报文的线卡会自动重新加载。异常攻击者可利用该漏洞导致受影响设备重载或挂起，拒绝服务合法用户。

AI Predicted 7.5 Difficulty: Easy EPSS 1.70% · P77

Possible ATT&CK Techniques 1 AI

T1499.001 · OS Exhaustion Flood
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I. Basic Information for CVE-2011-2549

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Unspecified vulnerability in Cisco IOS XR 4.1.x before 4.1.1 on Cisco Aggregation Services Routers (ASR) 9000 series devices allows remote attackers to cause a denial of service (line-card reload) via an IPv4 packet, aka Bug ID CSCtr26695.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco ASR 9000系列路由器IP Version 4拒绝服务漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco ASR 9000系列路由器IP Version 4中存在拒绝服务漏洞。在处理IPv4报文时，运行Cisco IOS XR Software v4.1.0的Cisco ASR 9000系列设备可造成线卡中的网络处理器锁定，处理恶意报文的线卡会自动重新加载。异常攻击者可利用该漏洞导致受影响设备重载或挂起，拒绝服务合法用户。
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
- n/a n/a -

II. Public POCs for CVE-2011-2549

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III. Intelligence Information for CVE-2011-2549

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Vendor Advisories for CVE-2011-2549 (4)

Other References for CVE-2011-2549 (1)

Same Patch Batch · n/a · 2011-07-28 · 13 CVEs total

CVE-2011-2492 Linux Kernel Bluetooth 'l2cap_sock.c'和'rfcomm/sock.c'信息泄露漏洞
CVE-2011-2546 Cisco SA 500系列安全应用程序Web管理界面和登录表单SQL注入漏洞
CVE-2011-2547 Cisco SA 500系列安全应用程序Web管理界面远程命令注入漏洞
CVE-2011-2667 CA Total Defense和Gateway Security远程代码执行漏洞
CVE-2011-2689 Linux Kernel GFS2 'gfs2_fallocate()'拒绝服务漏洞
CVE-2011-2695 Linux kernel多个off-by-one错误漏洞
CVE-2011-1339 Google Search Appliance跨站脚本攻击漏洞
CVE-2011-2688 Jan Wolter mod-authnz-external模块SQL注入漏洞
CVE-2011-2747 Google Picasa JPEG图像处理远程代码执行漏洞
CVE-2011-2956 AzeoTech DAQFactory拒绝服务漏洞
CVE-2011-2957 RockwellAutomation FactoryTalk Diagnostics Viewer任意代码执行漏洞
CVE-2011-2958 Ecava IntegraXor多个跨站脚本攻击漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2011-2549

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