CVE-2021-1221— Cisco Webex Meetings and Cisco Webex Meetings Server Software Hyperlink Injection Vulnerability
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I. Basic Information for CVE-2021-1221
Vulnerability Information
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Vulnerability Title
Cisco Webex Meetings and Cisco Webex Meetings Server Software Hyperlink Injection Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the user interface of Cisco Webex Meetings and Cisco Webex Meetings Server Software could allow an authenticated, remote attacker to inject a hyperlink into a meeting invitation email. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by entering a URL into a field in the user interface. A successful exploit could allow the attacker to generate a Webex Meetings invitation email that contains a link to a destination of their choosing. Because this email is sent from a trusted source, the recipient may be more likely to click the link.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco WebEx Meetings Server 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco WebEx Meetings Server（CWMS）是美国思科（Cisco）公司的WebEx会议方案中的一套包含音频、视频和Web会议的多功能会议解决方案。 Cisco Webex Meetings Server Software 存在注入漏洞，该漏洞源于攻击者可利用该漏洞在用户界面的字段中输入URL。
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-2021-1221
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wbx-linkinj-WWZpVqu9vendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2021-1221
Same Patch Batch · Cisco · 2021-02-04 · 56 CVEs total
| CVE-2021-1289 | 9.8 CRITICAL | Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Exec |
| CVE-2021-1290 | 9.8 CRITICAL | Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Exec |
| CVE-2021-1291 | 9.8 CRITICAL | Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Exec |
| CVE-2021-1292 | 9.8 CRITICAL | Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Exec |
| CVE-2021-1293 | 9.8 CRITICAL | Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Exec |
| CVE-2021-1294 | 9.8 CRITICAL | Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Exec |
| CVE-2021-1295 | 9.8 CRITICAL | Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Exec |
| CVE-2021-1313 | 8.6 HIGH | Cisco IOS XR Software Enf Broker Denial of Service Vulnerability |
| CVE-2021-1288 | 8.6 HIGH | Cisco IOS XR Software Enf Broker Denial of Service Vulnerability |
| CVE-2021-1297 | 7.5 HIGH | Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Arbitrary File W |
| CVE-2021-1296 | 7.5 HIGH | Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Arbitrary File W |
| CVE-2021-1268 | 7.4 HIGH | Cisco IOS XR Software IPv6 Flood Denial of Service Vulnerability |
| CVE-2021-1322 | 7.2 HIGH | Cisco Small Business RV Series Routers Management Interface Remote Command Execution and D |
| CVE-2021-1330 | 7.2 HIGH | Cisco Small Business RV Series Routers Management Interface Remote Command Execution and D |
| CVE-2021-1323 | 7.2 HIGH | Cisco Small Business RV Series Routers Management Interface Remote Command Execution and D |
| CVE-2021-1324 | 7.2 HIGH | Cisco Small Business RV Series Routers Management Interface Remote Command Execution and D |
| CVE-2021-1325 | 7.2 HIGH | Cisco Small Business RV Series Routers Management Interface Remote Command Execution and D |
| CVE-2021-1329 | 7.2 HIGH | Cisco Small Business RV Series Routers Management Interface Remote Command Execution and D |
| CVE-2021-1327 | 7.2 HIGH | Cisco Small Business RV Series Routers Management Interface Remote Command Execution and D |
| CVE-2021-1326 | 7.2 HIGH | Cisco Small Business RV Series Routers Management Interface Remote Command Execution and D |
Showing top 20 of 56 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Cisco WebEx Meetings Server
- CVE-2021-1525
Cisco Webex Meetings and Webex Meetings Server File Redirect - CVE-2021-1517
Cisco Webex Meetings and Webex Meetings Server Multimedia Sh - CVE-2021-1311
Cisco Webex Meetings and Cisco Webex Meetings Server Host K - CVE-2020-3471
Cisco Webex Meetings and Cisco Webex Meetings Server Unautho - CVE-2020-3441
Cisco Webex Meetings and Cisco Webex Meetings Server Informa
Same vendor: Cisco
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Cisco Slido 安全漏洞 - CVE-2026-20034
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Cisco Unity Connection Server-Side Request Forgery Vulnerabi - CVE-2026-20167
Cisco IoT Field Network Director Remote Device Denial of Ser - CVE-2026-20169
Cisco IoT Field Network Director Command Injection Vulnerabi
Same weakness: CWE-20
V. Comments for CVE-2021-1221
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