CVE-2024-20463: ata 191 Auth Bypass — Fix

Description

A vulnerability in the web-based management interface of Cisco ATA 190 Series Analog Telephone Adapter firmware could allow an unauthenticated, remote attacker to modify the configuration or reboot an affected device. This vulnerability is due to the HTTP server allowing state changes in GET requests. An attacker could exploit this vulnerability by sending a malicious request to the web-based management interface on an affected device. A successful exploit could allow the attacker to make limited modifications to the configuration or reboot the device, resulting in a denial of service (DoS) condition. 

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CVSS v3.1 Score

5.4

MEDIUM

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

Weakness Type (CWE)

CWE-305 CWE-305

CWE-862 Missing Authorization

Affected Products

Vendor	Product	Versions
cisco	ata_191_firmware	< 12.0.2
cisco	ata_191	All
cisco	ata_191_firmware	< 11.2.5
cisco	ata_191	All
cisco	ata_192_firmware	< 11.2.5
cisco	ata_192	All

References

Advisories & Patches

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ata19x-multi-RDTEqRsy

Frequently Asked Questions

What is CVE-2024-20463? +

A vulnerability in the web-based management interface of Cisco ATA 190 Series Analog Telephone Adapter firmware could allow an unauthenticated, remote attacker to modify the configuration or reboot an affected device. This vulnerability is due to the HTTP server allowing state changes in GET requests. An attacker could exploit this vulnerability by sending a malicious request to the web-based management interface on an affected device. A successful exploit could allow the attacker to make limited modifications to the configuration or reboot the device, resulting in a denial of service (DoS) condition.  It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2024-20463? +

CVE-2024-20463 has a CVSS v3.1 score of 5.4 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-2024-20463? +

CVE-2024-20463 affects products from cisco, specifically: ata_191, ata_191_firmware, ata_192, ata_192_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-20463? +

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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