CVE-2021-1530 Cisco BroadWorks Messaging Server XML External Entity Injection Vulnerability
An authenticated attacker can exploit XXE in Cisco BroadWorks Messaging Server to read local files or cause partial denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-1530?
CVE-2021-1530 is a medium-severity vulnerability in Cisco BroadWorks, published on 6 May 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in the web-based management interface of Cisco BroadWorks Messaging Server Software could allow an authenticated, remote attacker to access sensitive information or cause a partial denial of service (DoS) condition on an affected system. This vulnerability is due to improper handling of XML External Entity (XXE) entries when parsing certain XML files. An attacker could exploit this vulnerability by uploading a crafted XML file that contains references to external entities. A successful exploit could allow the attacker to retrieve files from the local system, resulting in the disclosure of sensitive information, or cause the application to consume available resources, resulting in a partial DoS condition on an affected system. There are workarounds that address this vulnerability.
Weakness: CWE-611
Which versions are affected by CVE-2021-1530?
It affects 1 product.
Products include Cisco Broadworks Messaging Server.
How do I fix CVE-2021-1530?
No fix has been published for CVE-2021-1530 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-1530 being exploited?
There is no known exploitation of CVE-2021-1530 in the wild and no public exploit code.
Other vulnerabilities in Cisco BroadWorks
Sources
Also known as GHSA-fv3h-9947-8cpj.