CVE-2021-1525: Cisco Webex Meetings and Webex Meetings Server File Redirect Vulnerability
First published: Fri Jun 04 2021(Updated: )
A vulnerability in Cisco Webex Meetings and Cisco Webex Meetings Server could allow an unauthenticated, remote attacker to redirect users to a malicious file. This vulnerability is due to improper validation of URL paths in the application interface. An attacker could exploit this vulnerability by persuading a user to follow a specially crafted URL that is designed to cause Cisco Webex Meetings to include a remote file in the web UI. A successful exploit could allow the attacker to cause the application to offer a remote file to a user, which could allow the attacker to conduct further phishing or spoofing attacks.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Webex Meetings Online | =41.3.5 | |
| Cisco WebEx Meetings Server | <3.0 | |
| Cisco WebEx Meetings Server | =3.0 | |
| Cisco WebEx Meetings Server | =3.0-maintenance_release1 | |
| Cisco WebEx Meetings Server | =3.0-maintenance_release2 | |
| Cisco WebEx Meetings Server | =3.0-maintenance_release3 | |
| Cisco WebEx Meetings Server | =4.0 | |
| Cisco WebEx Meetings Server | =4.0-maintenance_release1 | |
| Cisco WebEx Meetings Server | =4.0-maintenance_release2 | |
| Cisco WebEx Meetings Server | =4.0-maintenance_release3 | |
| Cisco WebEx Meetings Server | =4.0-maintenance_release3_security_patch3 | |
| Cisco WebEx Meetings Server | =4.0-maintenance_release3_security_patch4 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-1525?
CVE-2021-1525 is a vulnerability in Cisco Webex Meetings and Cisco Webex Meetings Server that could allow an unauthenticated, remote attacker to redirect users to a malicious file.
How severe is CVE-2021-1525?
CVE-2021-1525 has a severity value of 6.1, which is considered medium.
Which software versions are affected by CVE-2021-1525?
Cisco Webex Meetings Online version 41.3.5 and Cisco WebEx Meetings Server versions 3.0 up to but excluding 4.0 are affected by CVE-2021-1525.
How can the vulnerability in CVE-2021-1525 be exploited?
An attacker could exploit this vulnerability by redirecting users to a malicious file.
Where can I find more information about CVE-2021-1525?
You can find more information about CVE-2021-1525 at the Cisco Security Advisory page: [https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-redirect-XuZFU3PH](https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-redirect-XuZFU3PH).
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- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/title
- agent/severity
- agent/last-modified-date
- agent/weakness
- agent/references
- agent/first-publish-date
- agent/description
- agent/event
- agent/tags
- vendor/cisco
- canonical/cisco webex meetings online
- version/cisco webex meetings online/41.3.5
- canonical/cisco webex meetings server
- version/cisco webex meetings server/3.0
- version/cisco webex meetings server/3.0-maintenance_release1
- version/cisco webex meetings server/3.0-maintenance_release2
- version/cisco webex meetings server/3.0-maintenance_release3
- version/cisco webex meetings server/4.0
- version/cisco webex meetings server/4.0-maintenance_release1
- version/cisco webex meetings server/4.0-maintenance_release2
- version/cisco webex meetings server/4.0-maintenance_release3
- version/cisco webex meetings server/4.0-maintenance_release3_security_patch3
- version/cisco webex meetings server/4.0-maintenance_release3_security_patch4