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CVE-2021-1419— Cisco Access Points SSH Management Privilege Escalation Vulnerability

Quick assessment

Affected
Cisco Cisco Wireless LAN Controller (WLC)
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 Access Points是美国思科（Cisco）公司的一款网络接入点设备。 Cisco Access Points platforms 存在安全漏洞，该漏洞源于SSH管理界面对文件操作检查不正确造成的。攻击者可利用该漏洞允许本地经过身份验证的用户修改受影响设备上的文件，并可能获得升级的特权。

CVSS 7.8 · High EPSS 0.22% · P11
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I. Basic Information for CVE-2021-1419

Vulnerability Information
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Vulnerability Title
Cisco Access Points SSH Management Privilege Escalation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the SSH management feature of multiple Cisco Access Points (APs) platforms could allow a local, authenticated user to modify files on the affected device and possibly gain escalated privileges. The vulnerability is due to improper checking on file operations within the SSH management interface. A network administrator user could exploit this vulnerability by accessing an affected device through SSH management to make a configuration change. A successful exploit could allow the attacker to gain privileges equivalent to the root user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Access Points 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Access Points是美国思科（Cisco）公司的一款网络接入点设备。 Cisco Access Points platforms 存在安全漏洞，该漏洞源于SSH管理界面对文件操作检查不正确造成的。攻击者可利用该漏洞允许本地经过身份验证的用户修改受影响设备上的文件，并可能获得升级的特权。
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 Wireless LAN Controller (WLC) n/a -

II. Public POCs for CVE-2021-1419

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III. Intelligence Information for CVE-2021-1419

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Vendor Advisories for CVE-2021-1419 (1)

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

CVE-2021-34770 10.0 CRITICAL Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Remote Code Exe
CVE-2021-1619 9.8 CRITICAL Cisco IOS XE Software NETCONF and RESTCONF Authentication Bypass Vulnerability
CVE-2021-34727 9.8 CRITICAL Cisco IOS XE SD-WAN Software Buffer Overflow Vulnerability
CVE-2021-1624 8.6 HIGH Cisco IOS XE Software Rate Limiting Network Address Translation Denial of Service Vulnerab
CVE-2021-1622 8.6 HIGH Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers Common Open Policy Servi
CVE-2021-1615 8.6 HIGH Cisco Embedded Wireless Controller Software for Catalyst Access Points Denial of Service V
CVE-2021-1611 8.6 HIGH Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers EoGRE Denial of Servic
CVE-2021-1565 8.6 HIGH Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Servi
CVE-2021-34769 8.6 HIGH Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Servi
CVE-2021-34768 8.6 HIGH Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Servi
CVE-2021-1623 7.7 HIGH Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers Simple Network Managemen
CVE-2021-1620 7.7 HIGH Cisco IOS and IOS XE Software IKEv2 AutoReconnect Feature Denial of Service Vulnerability
CVE-2021-34699 7.7 HIGH Cisco IOS and IOS XE Software TrustSec CLI Parser Denial of Service Vulnerability
CVE-2021-1621 7.4 HIGH Cisco IOS XE Software Interface Queue Wedge Denial of Service Vulnerability
CVE-2021-34767 7.4 HIGH Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers IPv6 Denial of Service
CVE-2021-34740 7.4 HIGH Cisco Aironet Access Points WLAN Control Protocol Packet Buffer Leak Denial of Service Vul
CVE-2021-34714 7.4 HIGH Multiple Cisco Operating Systems Unidirectional Link Detection Denial of Service Vulnerabi
CVE-2021-34703 6.8 MEDIUM Cisco IOS and IOS XE Software Link Layer Discovery Protocol Denial of Service Vulnerabilit
CVE-2021-34729 6.7 MEDIUM Cisco IOS XE SD-WAN Software Command Injection Vulnerability
CVE-2021-34725 6.7 MEDIUM Cisco IOS XE SD-WAN Software Command Injection Vulnerability

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

IV. Related Vulnerabilities

Same product: Cisco Wireless LAN Controller (WLC)
Same vendor: Cisco
Same weakness: CWE-284

V. Comments for CVE-2021-1419

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