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CVE-2021-1619— Cisco IOS 缓冲区错误漏洞

CVSS 9.8 · Critical EPSS 0.87% · P75
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I. CVE-2021-1619の基本情報

脆弱性情報
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高度な大規模言語モデル技術を使用していますが、出力には不正確または古い情報が含まれる可能性があります。Shenlongはデータの正確性を確保するよう努めていますが、実際の状況に基づいて検証・判断してください。

脆弱性タイトル
Cisco IOS XE Software NETCONF and RESTCONF Authentication Bypass Vulnerability
ソース: NVD (National Vulnerability Database)
脆弱性説明
A vulnerability in the authentication, authorization, and accounting (AAA) function of Cisco IOS XE Software could allow an unauthenticated, remote attacker to bypass NETCONF or RESTCONF authentication and do either of the following: Install, manipulate, or delete the configuration of an affected device Cause memory corruption that results in a denial of service (DoS) on an affected device This vulnerability is due to an uninitialized variable. An attacker could exploit this vulnerability by sending a series of NETCONF or RESTCONF requests to an affected device. A successful exploit could allow the attacker to use NETCONF or RESTCONF to install, manipulate, or delete the configuration of a network device or to corrupt memory on the device, resulting a DoS.
ソース: NVD (National Vulnerability Database)
CVSS情報
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
ソース: NVD (National Vulnerability Database)
脆弱性タイプ
使用未经初始化的指针
ソース: NVD (National Vulnerability Database)
脆弱性タイトル
Cisco IOS 缓冲区错误漏洞
ソース: CNNVD (China National Vulnerability Database)
脆弱性説明
Cisco IOS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 XE Software 存在缓冲区错误漏洞，该漏洞源于变量未初始化造成的。攻击者可利用该漏洞向受影响的设备发送一系列NETCONF或RESTCONF请求来安装、操作或删除网络设备的配置，或损坏设备上的内存。
ソース: CNNVD (China National Vulnerability Database)
CVSS情報
N/A
ソース: CNNVD (China National Vulnerability Database)
脆弱性タイプ
N/A
ソース: CNNVD (China National Vulnerability Database)

影響を受ける製品

ベンダープロダクト影響を受けるバージョンCPE購読
CiscoCisco IOS XE Software n/a -

II. CVE-2021-1619の公開POC

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III. CVE-2021-1619のインテリジェンス情報

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Same Patch Batch · Cisco · 2021-09-23 · 33 CVEs total

CVE-2021-3477010.0 CRITICALCisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Remote Code Exe
CVE-2021-347279.8 CRITICALCisco IOS XE SD-WAN Software Buffer Overflow Vulnerability
CVE-2021-16248.6 HIGHCisco IOS XE Software Rate Limiting Network Address Translation Denial of Service Vulnerab
CVE-2021-16228.6 HIGHCisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers Common Open Policy Servi
CVE-2021-16158.6 HIGHCisco Embedded Wireless Controller Software for Catalyst Access Points Denial of Service V
CVE-2021-16118.6 HIGHCisco IOS XE Software for Catalyst 9800 Series Wireless Controllers EoGRE Denial of Servic
CVE-2021-15658.6 HIGHCisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Servi
CVE-2021-347698.6 HIGHCisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Servi
CVE-2021-347688.6 HIGHCisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Servi
CVE-2021-14197.8 HIGHCisco Access Points SSH Management Privilege Escalation Vulnerability
CVE-2021-16237.7 HIGHCisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers Simple Network Managemen
CVE-2021-16207.7 HIGHCisco IOS and IOS XE Software IKEv2 AutoReconnect Feature Denial of Service Vulnerability
CVE-2021-346997.7 HIGHCisco IOS and IOS XE Software TrustSec CLI Parser Denial of Service Vulnerability
CVE-2021-16217.4 HIGHCisco IOS XE Software Interface Queue Wedge Denial of Service Vulnerability
CVE-2021-347677.4 HIGHCisco IOS XE Software for Catalyst 9800 Series Wireless Controllers IPv6 Denial of Service
CVE-2021-347407.4 HIGHCisco Aironet Access Points WLAN Control Protocol Packet Buffer Leak Denial of Service Vul
CVE-2021-347147.4 HIGHMultiple Cisco Operating Systems Unidirectional Link Detection Denial of Service Vulnerabi
CVE-2021-347036.8 MEDIUMCisco IOS and IOS XE Software Link Layer Discovery Protocol Denial of Service Vulnerabilit
CVE-2021-347296.7 MEDIUMCisco IOS XE SD-WAN Software Command Injection Vulnerability
CVE-2021-347256.7 MEDIUMCisco IOS XE SD-WAN Software Command Injection Vulnerability

Showing 20 of 33 CVEs. View all on vendor page →

IV. 関連脆弱性

同じ製品: Cisco IOS XE Software
同じベンダー: Cisco
同じ弱点: CWE-824

V. CVE-2021-1619へのコメント

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