Home/CVE/A vulnerability in the dashboard widget of Cisco Firepower Management Center (FMC) Software could allow an authenticated
CVE

CVE-2021-1267

A vulnerability in the dashboard widget of Cisco Firepower Management Center (FMC) Software could allow an authenticated

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.

MEDIUM · CVSS 4.3 EPSS 0.00406
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-776Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
CWE-776Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
▤

Affected Products & Versions

1
cisco secure firewall management center< 6.6.1
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · psirt@cisco.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Jan 2021 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisco-csafcisco-sa-fmc-xee-DFzARDcs
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-xee-DFzARDcsVendor Advisory
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