CVE-2024-20482: secure firewall Auth Bypass — Fix

Description

A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software, formerly Firepower Management Center Software, could allow an authenticated, remote attacker to elevate privileges on an affected device. To exploit this vulnerability, an attacker must have a valid account on the device that is configured with a custom read-only role. This vulnerability is due to insufficient validation of role permissions in part of the web-based management interface. An attacker could exploit this vulnerability by performing a write operation on the affected part of the web-based management interface. A successful exploit could allow the attacker to modify certain parts of the configuration.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Weakness Type (CWE)

CWE-863 Incorrect Authorization

Affected Products

Vendor	Product	Versions
cisco	secure_firewall_management_center	All
cisco	secure_firewall_management_center	All
cisco	secure_firewall_management_center	All
cisco	secure_firewall_management_center	All
cisco	secure_firewall_management_center	All
cisco	secure_firewall_management_center	All
cisco	secure_firewall_management_center	All
cisco	secure_firewall_management_center	All
cisco	secure_firewall_management_center	All
cisco	secure_firewall_management_center	All
cisco	secure_firewall_management_center	All
cisco	secure_firewall_management_center	All
cisco	secure_firewall_management_center	All
cisco	secure_firewall_management_center	All
cisco	secure_firewall_management_center	All
cisco	secure_firewall_management_center	All
cisco	secure_firewall_management_center	All
cisco	secure_firewall_management_center	All
cisco	secure_firewall_management_center	All

References

Advisories & Patches

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-priv-esc-CMQ4S6m7

Frequently Asked Questions

What is CVE-2024-20482? +

A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software, formerly Firepower Management Center Software, could allow an authenticated, remote attacker to elevate privileges on an affected device. To exploit this vulnerability, an attacker must have a valid account on the device that is configured with a custom read-only role. This vulnerability is due to insufficient validation of role permissions in part of the web-based management interface. An attacker could exploit this vulnerability by performing a write operation on the affected part of the web-based management interface. A successful exploit could allow the attacker to modify certain parts of the configuration. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2024-20482? +

CVE-2024-20482 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-20482? +

CVE-2024-20482 affects products from cisco, specifically: secure_firewall_management_center. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-20482? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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