CVE-2021-1524
Last modified
CVE-2021-1524 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A vulnerability in the API of Cisco Meeting Server could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability exists because requests that are sent to the API are not properly validated. EPSS estimates a 1.10% chance of exploitation in the next 30 days.
Description
A vulnerability in the API of Cisco Meeting Server could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability exists because requests that are sent to the API are not properly validated. An attacker could exploit this vulnerability by sending a malicious request to the API. A successful exploit could allow the attacker to cause all participants on a call to be disconnected, resulting in a DoS condition.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Meeting Server | >= 3.1, < 3.1.1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-1524?
How severe is CVE-2021-1524?
How do I fix CVE-2021-1524?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-1518A vulnerability in the REST API of Cisco Firepower Device Ma…8.8
- CVE-2021-1519A vulnerability in the interprocess communication (IPC) chan…5.5
- CVE-2021-1520A vulnerability in the internal message processing of Cisco …6.7
- CVE-2021-1521A vulnerability in the Cisco Discovery Protocol implementati…6.5
- CVE-2021-1522A vulnerability in the change password API of Cisco Connecte…4.3
- CVE-2021-1523A vulnerability in Cisco Nexus 9000 Series Fabric Switches i…8.6
- CVE-2021-1525A vulnerability in Cisco Webex Meetings and Cisco Webex Meet…6.1
- CVE-2021-1526A vulnerability in Cisco Webex Player for Windows and MacOS …7.8
- CVE-2021-1527A vulnerability in Cisco Webex Player for Windows and MacOS …6.1
- CVE-2021-1528A vulnerability in the CLI of Cisco SD-WAN Software could al…7.8
- CVE-2021-1529A vulnerability in the CLI of Cisco IOS XE SD-WAN Software c…7.8
- CVE-2021-1530A vulnerability in the web-based management interface of Cis…7.1
Are you affected by CVE-2021-1524?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST