// For flags

CVE-2021-1267

Cisco Firepower Management Center XML Entity Expansion Vulnerability

Severity Score

4.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

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.

Una vulnerabilidad en el widget dashboard del software Cisco Firepower Management Center (FMC), podría permitir a un atacante remoto autenticado causar una condición de denegación de servicio (DoS) en un dispositivo afectado. La vulnerabilidad es debido a restricciones inapropiadas en entidades XML. Un atacante podría explotar esta vulnerabilidad al crear un widget basado en XML en un servidor afectado. Una explotación con éxito podría causar una mayor utilización de la memoria y la CPU, lo que podría resultar en una condición DoS.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2020-11-13 CVE Reserved
  • 2021-01-13 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-11-12 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Cisco
Search vendor "Cisco"
 Firepower Management Center
Search vendor "Cisco" for product "Firepower Management Center"
 < 6.6.1
Search vendor "Cisco" for product "Firepower Management Center" and version " < 6.6.1"
-
Affected