CVE-2021-1267

Cisco Firepower Management Center XML Entity Expansion Vulnerability

Description

A vulnerability in the dashboard widget of Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper restrictions on XML entities. An attacker could exploit this vulnerability by crafting an XML-based widget on an affected server. A successful exploit could cause increased memory and CPU utilization, which could result in a DoS condition.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.42%
Vendor Advisory cisco.com
Affected: Cisco Cisco Firepower Management Center
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-1267?
CVE-2021-1267 has been scored as a medium severity vulnerability.
How to fix CVE-2021-1267?
To fix CVE-2021-1267, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-1267 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-1267 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-1267?
CVE-2021-1267 affects Cisco Cisco Firepower Management Center.
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