PT-2021-1920 · Cisco · Cisco Webex Meetings Server+1

Abhinav Khanna · Published 2021-02-03 · Updated 2022-09-20 · CVE-2021-1221

Positive Technologies (AI Summary)

CVSS v3.1

4.1

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Cisco Webex Meetings and Cisco Webex Meetings Server Software (affected versions not specified)

Description A vulnerability in the user interface could allow an authenticated, remote attacker to inject a hyperlink into a meeting invitation email due to insufficient input validation. An attacker could exploit this by entering a URL into a field in the user interface, potentially generating an email with a link to a destination of their choosing. Since the email is sent from a trusted source, the recipient may be more likely to click the link.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Special Elements Injection

RCE

Weakness Enumeration

CWE-74

CWE-20

Related Identifiers

BDU:2021-00710

CVE-2021-1221

Affected Products

Cisco Webex Meetings

Cisco Webex Meetings Server

References · 5

• https://bdu.fstec.ru/vul/2021-00710 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wbx-linkinj-WWZpVqu9 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-1221 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1221 · Security Note
• https://t.me/cibsecurity/23103 · Telegram Post