Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-1311— Cisco Webex Meetings and Cisco Webex Meetings Server Host Key Brute Forcing Vulnerability

Quick assessment

Affected
Cisco Cisco WebEx Meetings Server
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 Webex Meetings是美国思科（Cisco）公司的一套视频会议解决方案。 Cisco Webex Meetings and Cisco Webex Meetings Server 存在安全漏洞，该漏洞源于缺乏针对暴力破解主机密钥的保护。攻击者可利用该漏洞加入Webex会议。

CVSS 5.4 · Medium EPSS 1.26% · P69

Possible ATT&CK Techniques 1 AI

T1078.004 · Cloud Accounts
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-1311

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Cisco Webex Meetings and Cisco Webex Meetings Server Host Key Brute Forcing Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the reclaim host role feature of Cisco Webex Meetings and Cisco Webex Meetings Server could allow an authenticated, remote attacker to take over the host role during a meeting. This vulnerability is due to a lack of protection against brute forcing of the host key. An attacker could exploit this vulnerability by sending crafted requests to a vulnerable Cisco Webex Meetings or Webex Meetings Server site. A successful exploit would require the attacker to have access to join a Webex meeting, including applicable meeting join links and passwords. A successful exploit could allow the attacker to acquire or take over the host role for a meeting.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Webex Meetings 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Webex Meetings是美国思科（Cisco）公司的一套视频会议解决方案。 Cisco Webex Meetings and Cisco Webex Meetings Server 存在安全漏洞，该漏洞源于缺乏针对暴力破解主机密钥的保护。攻击者可利用该漏洞加入Webex会议。
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 WebEx Meetings Server n/a -

II. Public POCs for CVE-2021-1311

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-1311

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-1311 (1)

Same Patch Batch · Cisco · 2021-01-13 · 96 CVEs total

CVE-2021-1144 8.8 HIGH Cisco Connected Mobile Experiences Privilege Escalation Vulnerability
CVE-2021-1237 7.8 HIGH Cisco AnyConnect Secure Mobility Client for Windows DLL Injection Vulnerability
CVE-2021-1185 7.2 HIGH Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote
CVE-2021-1186 7.2 HIGH Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote
CVE-2021-1187 7.2 HIGH Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote
CVE-2021-1217 7.2 HIGH Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote
CVE-2021-1360 7.2 HIGH Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote
CVE-2021-1192 7.2 HIGH Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote
CVE-2021-1193 7.2 HIGH Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote
CVE-2021-1194 7.2 HIGH Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote
CVE-2021-1195 7.2 HIGH Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote
CVE-2021-1191 7.2 HIGH Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote
CVE-2021-1184 7.2 HIGH Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote
CVE-2021-1183 7.2 HIGH Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote
CVE-2021-1182 7.2 HIGH Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote
CVE-2021-1181 7.2 HIGH Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote
CVE-2021-1180 7.2 HIGH Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote
CVE-2021-1179 7.2 HIGH Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote
CVE-2021-1178 7.2 HIGH Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote
CVE-2021-1177 7.2 HIGH Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote

Showing top 20 of 96 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco WebEx Meetings Server
Same vendor: Cisco
Same weakness: CWE-307

V. Comments for CVE-2021-1311

No comments yet

Leave a comment