High severity7.5NVD Advisory· Published May 1, 2024· Updated Jun 17, 2026
CVE-2024-20376
CVE-2024-20376
Description
A vulnerability in the web-based management interface of Cisco IP Phone firmware could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a DoS condition. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface of an affected device. A successful exploit could allow the attacker to cause the affected device to reload.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
21cpe:2.3:o:cisco:ip_phone_6821_with_multiplatform_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:cisco:ip_phone_6821_with_multiplatform_firmware:*:*:*:*:*:*:*:*range: <=12.0.4
- (no CPE)range: 11.3.1 MSR2-6
- cpe:2.3:o:cisco:ip_phone_6841_with_multiplatform_firmware:*:*:*:*:*:*:*:*Range: <=12.0.4
- cpe:2.3:o:cisco:ip_phone_6851_with_multiplatform_firmware:*:*:*:*:*:*:*:*Range: <=12.0.4
- cpe:2.3:o:cisco:ip_phone_6861_with_multiplatform_firmware:*:*:*:*:*:*:*:*Range: <=12.0.4
- cpe:2.3:o:cisco:ip_phone_6871_with_multiplatform_firmware:*:*:*:*:*:*:*:*Range: <=12.0.4
- cpe:2.3:o:cisco:ip_phone_7811_with_multiplatform_firmware:*:*:*:*:*:*:*:*Range: <=12.0.4
- cpe:2.3:o:cisco:ip_phone_7821_with_multiplatform_firmware:*:*:*:*:*:*:*:*Range: <=12.0.4
- cpe:2.3:o:cisco:ip_phone_7832_with_multiplatform_firmware:*:*:*:*:*:*:*:*Range: <=12.0.4
- cpe:2.3:o:cisco:ip_phone_7841_with_multiplatform_firmware:*:*:*:*:*:*:*:*Range: <=12.0.4
- cpe:2.3:o:cisco:ip_phone_7861_with_multiplatform_firmware:*:*:*:*:*:*:*:*Range: <=12.0.4
- cpe:2.3:o:cisco:ip_phone_8811_with_multiplatform_firmware:*:*:*:*:*:*:*:*Range: <=12.0.4
- cpe:2.3:o:cisco:ip_phone_8832_with_multiplatform_firmware:*:*:*:*:*:*:*:*Range: <=12.0.4
- cpe:2.3:o:cisco:ip_phone_8841_with_multiplatform_firmware:*:*:*:*:*:*:*:*Range: <=12.0.4
- cpe:2.3:o:cisco:ip_phone_8845_with_multiplatform_firmware:*:*:*:*:*:*:*:*Range: <=12.0.4
- cpe:2.3:o:cisco:ip_phone_8851_with_multiplatform_firmware:*:*:*:*:*:*:*:*Range: <=12.0.4
- cpe:2.3:o:cisco:ip_phone_8861_with_multiplatform_firmware:*:*:*:*:*:*:*:*Range: <=12.0.4
- cpe:2.3:o:cisco:ip_phone_8865_with_multiplatform_firmware:*:*:*:*:*:*:*:*Range: <=12.0.4
- cpe:2.3:o:cisco:video_phone_8875_firmware:*:*:*:*:*:*:*:*Range: <2.3.1.0101
- Range: 1.0.1
Patches
Vulnerability mechanics
References
1News mentions
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