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CVE-2021-34758— Cisco TelePresence Collaboration Endpoint and RoomOS Software Denial of Service Vulnerability

Quick assessment

Affected
Cisco Cisco RoomOS Software
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 RoomOS Software和Cisco TelePresence Collaboration Endpoint Software都是美国思科（Cisco）公司的产品。Cisco RoomOS Software是一套用于Cisco设备的自动管理软件。该软件主要用于升级、管理Cisco设备的主板固件。Cisco TelePresence Collaboration Endpoint Software是一套协作终端软件。 Cisco RoomOS Software和Cisco TelePrese

CVSS 4.4 · Medium EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-34758

Vulnerability Information
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Vulnerability Title
Cisco TelePresence Collaboration Endpoint and RoomOS Software Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the memory management of Cisco TelePresence Collaboration Endpoint (CE) Software and Cisco RoomOS Software could allow an authenticated, local attacker to corrupt a shared memory segment, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient access controls to a shared memory resource. An attacker could exploit this vulnerability by corrupting a shared memory segment on an affected device. A successful exploit could allow the attacker to cause the device to reload. The device will recover from the corruption upon reboot.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
关键资源的不正确权限授予
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco RoomOS Software和Cisco TelePresence Collaboration Endpoint Software 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco RoomOS Software和Cisco TelePresence Collaboration Endpoint Software都是美国思科（Cisco）公司的产品。Cisco RoomOS Software是一套用于Cisco设备的自动管理软件。该软件主要用于升级、管理Cisco设备的主板固件。Cisco TelePresence Collaboration Endpoint Software是一套协作终端软件。 Cisco RoomOS Software和Cisco TelePrese
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 RoomOS Software n/a -

II. Public POCs for CVE-2021-34758

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III. Intelligence Information for CVE-2021-34758

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Vendor Advisories for CVE-2021-34758 (1)

Same Patch Batch · Cisco · 2021-10-06 · 23 CVEs total

CVE-2021-34710 8.8 HIGH Cisco ATA 190 Series Analog Telephone Adapter Software Vulnerabilities
CVE-2021-34735 8.8 HIGH Cisco ATA 190 Series Analog Telephone Adapter Software Vulnerabilities
CVE-2021-34748 8.8 HIGH Cisco Intersight Virtual Appliance Command Injection Vulnerability
CVE-2021-34698 8.6 HIGH Cisco Web Security Appliance Proxy Service Denial of Service Vulnerability
CVE-2021-1594 7.5 HIGH Cisco Identity Services Engine Privilege Escalation Vulnerability
CVE-2021-34788 7.0 HIGH Cisco AnyConnect Secure Mobility Client for Linux and Mac OS with VPN Posture (HostScan) M
CVE-2021-34706 6.4 MEDIUM Cisco Identity Services Engine XML External Entity Injection Vulnerability
CVE-2021-34742 6.1 MEDIUM Cisco Vision Dynamic Signage Director Reflected Cross-Site Scripting Vulnerability
CVE-2021-1534 5.8 MEDIUM Cisco Email Security Appliance URL Filtering Bypass Vulnerability
CVE-2021-34711 5.5 MEDIUM Cisco IP Phone Software Arbitrary File Read Vulnerability
CVE-2021-34766 5.4 MEDIUM Cisco Smart Software Manager Privilege Escalation Vulnerability
CVE-2021-34744 4.9 MEDIUM Cisco Business 220 Series Smart Switches Static Key and Password Vulnerabilities
CVE-2021-34757 4.9 MEDIUM Cisco Business 220 Series Smart Switches Static Key and Password Vulnerabilities
CVE-2021-34772 4.7 MEDIUM Cisco Orbital Open Redirect Vulnerability
CVE-2021-34775 4.3 MEDIUM Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabiliti
CVE-2021-34776 4.3 MEDIUM Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabiliti
CVE-2021-34777 4.3 MEDIUM Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabiliti
CVE-2021-34778 4.3 MEDIUM Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabiliti
CVE-2021-34779 4.3 MEDIUM Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabiliti
CVE-2021-34780 4.3 MEDIUM Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabiliti

Showing top 20 of 23 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco RoomOS Software
Same vendor: Cisco
Same weakness: CWE-732

V. Comments for CVE-2021-34758

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