CVE-2021-40128 Cisco Webex Meetings Email Content Injection Vulnerability
An attacker can send account activation emails with tampered links, directing users to attacker-controlled websites via insufficient parameter validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-40128?
CVE-2021-40128 is a medium-severity vulnerability in Cisco Webex Meetings, published on 4 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the account activation feature of Cisco Webex Meetings could allow an unauthenticated, remote attacker to send an account activation email with an activation link that points to an arbitrary domain. This vulnerability is due to insufficient validation of user-supplied parameters. An attacker could exploit this vulnerability by sending a crafted HTTP request to the account activation page of Cisco Webex Meetings. A successful exploit could allow the attacker to send to any recipient an account activation email that contains a tampered activation link, which could direct the user to an attacker-controlled website.
Weakness: CWE-183
Which versions are affected by CVE-2021-40128?
It affects 1 product.
Products include Cisco Webex Meetings.
How do I fix CVE-2021-40128?
No fix has been published for CVE-2021-40128 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-40128 being exploited?
There is no known exploitation of CVE-2021-40128 in the wild and no public exploit code.
Other vulnerabilities in Cisco Webex Meetings
- CVE-2017-12368 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players
- CVE-2017-12369 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players
- CVE-2017-12370 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players
- CVE-2017-12371 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players
- CVE-2017-12372 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players
Sources
Also known as GHSA-f5wr-xjgr-jhq9.