CVE-2024-20357

A vulnerability in the XML service of Cisco IP Phone firmware could allow an unauthenticated, remote attacker to initiate phone calls on an affected device. This vulnerability exists because bounds-checking does not occur while parsing XML requests. An attacker could exploit this vulnerability by sending a crafted XML request to an affected device. A successful exploit could allow the attacker to initiate calls or play sounds on the device. It has a CVSS v3.1 base score of 5.9 (MEDIUM).

CVE-2024-20357 has a CVSS v3.1 score of 5.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

CVE-2024-20357 affects products from cisco, specifically: ip_phone_6821, ip_phone_6821_with_multiplatform_firmware, ip_phone_6841, ip_phone_6841_with_multiplatform_firmware, ip_phone_6851, ip_phone_6851_with_multiplatform_firmware, ip_phone_6861, ip_phone_6861_with_multiplatform_firmware, ip_phone_6871, ip_phone_6871_with_multiplatform_firmware, ip_phone_7811, ip_phone_7811_with_multiplatform_firmware, ip_phone_7821, ip_phone_7821_with_multiplatform_firmware, ip_phone_7832, ip_phone_7832_with_multiplatform_firmware, ip_phone_7841, ip_phone_7841_with_multiplatform_firmware, ip_phone_7861, ip_phone_7861_with_multiplatform_firmware, ip_phone_8811, ip_phone_8811_with_multiplatform_firmware, ip_phone_8832, ip_phone_8832_with_multiplatform_firmware, ip_phone_8841, ip_phone_8841_with_multiplatform_firmware, ip_phone_8845, ip_phone_8845_with_multiplatform_firmware, ip_phone_8851, ip_phone_8851_with_multiplatform_firmware, ip_phone_8861, ip_phone_8861_with_multiplatform_firmware, ip_phone_8865, ip_phone_8865_with_multiplatform_firmware, video_phone_8875, video_phone_8875_firmware. Check the affected products table above for specific version ranges.

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.