CVE-2021-34751

Cisco Firepower Management Center Software Configuration Information Disclosure Vulnerability

MEDIUM
4.3
CVSS Score
Published: November 15, 2024 at 04:14 PM UTC
Updated: June 17, 2026 at 03:56 AM UTC
2 products affected across 1 vendorSecure Firewall Management CenterFirepower Management Center

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

A vulnerability in the administrative web-based GUI configuration manager of Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to access sensitive configuration information. The attacker would require low privilege credentials on an affected device. This vulnerability exists because of improper encryption of sensitive information stored within the GUI configuration manager. An attacker could exploit this vulnerability by logging into the GUI of Cisco FMC Software and navigating to certain sensitive configurations. A successful exploit could allow the attacker to view sensitive configuration parameters in clear text.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.[[Publication_URL{Layout()}]]This advisory is part of the October 2021 release of the Cisco ASA, FTD, and FMC Security Advisory Bundled publication. For a complete list of the advisories and links to them, see . 

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 6.4.0.136.5.0 ≤ v < 6.6.5.16.7.0 ≤ v < 6.7.0.37.0.0
Affected range stops below 6.4.0.13, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.6.5.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.7.0.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMcisco
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-317

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