THREATPORT/VULNERABILITY/CVE-2023-20048
CRITICAL SEVERITY

CVE-2023-20048

Secure Firewall Management Center vulnerability

CVSS
9.9
EPSS
15.8%
EPSS pct
97th
Exploited
No known
A vulnerability in the web services interface of Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to execute certain unauthorized configuration commands on a Firepower Threat Defense (FTD) device that is managed by the FMC Software. This vulnerability is due to insufficient authorization of configuration commands that are sent through the web service interface. An attacker could exploit this vulnerability by authenticating to the FMC web services interface and sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to execute certain configuration commands on the targeted FTD device. To successfully exploit this vulnerability, an attacker would need valid credentials on the FMC Software.
Affected vendor
Cisco
Affected product
Secure Firewall Management Center
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:H
Weakness type (CWE)
  • CWE-269 — Improper Privilege Management
  • CWE-863 — Incorrect Authorization
Published
2023-11-01

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, low impact to integrity, high impact to availability.

Its EPSS score of 15.8% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2023-20048

  • Confirm whether Cisco Secure Firewall Management Center is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2023-20048.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-20048

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-20048 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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