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.

• cisco ip phone 6871 with multiplatform firmware (<= 12.0.4) • cisco ip phone 7811 with multiplatform firmware (<= 12.0.4) • cisco ip phone 7821 with multiplatform firmware (<= 12.0.4) • cisco ip phone 7832 with multiplatform firmware (<= 12.0.4) • cisco ip phone 7841 with multiplatform firmware (<= 12.0.4) • cisco ip phone 7861 with multiplatform firmware (<= 12.0.4) • cisco ip phone 8811 with multiplatform firmware (<= 12.0.4) • cisco ip phone 8832 with multiplatform firmware (<= 12.0.4) • cisco ip phone 8841 with multiplatform firmware (<= 12.0.4) • cisco ip phone 8845 with multiplatform firmware (<= 12.0.4) • cisco ip phone 8851 with multiplatform firmware (<= 12.0.4) • cisco ip phone 8861 with multiplatform firmware (<= 12.0.4) • cisco ip phone 8865 with multiplatform firmware (<= 12.0.4) • cisco video phone 8875 firmware (< 2.3.1.0101) • cisco ip phone 6821 with multiplatform firmware (<= 12.0.4) • cisco ip phone 6841 with multiplatform firmware (<= 12.0.4) • cisco ip phone 6851 with multiplatform firmware (<= 12.0.4) • cisco ip phone 6861 with multiplatform firmware (<= 12.0.4)