Vulnerability in Cisco Ip Phones With Multiplatform Firmware
CVE-2024-20378
A vulnerability in the web-based management interface of Cisco IP Phone firmware could allow an unauthenticated, remote attacker to retrieve sensitive information from an affected device. This vulnerability is due to a lack of authentication for specific endpoints of the web-based management interface on an affected device. An attacker could exploit this vulnerability by connecting to the affected device. A successful exploit could allow the attacker to gain unauthorized access to the device, enabling the recording of user credentials and traffic to and from the affected device, including VoIP calls that could be replayed.
EPSS: 0.008 (54.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Cisco Ip Phones With Multiplatform Firmware — versions 11.3.1 MSR2-6, 11.3.1 MSR3-3, 11.3.2
- Cisco Phoneos — versions 1.0.1, 2.1.1, 2.0.1
- Cisco Ip_phone_6821
- Cisco Ip_phone_6821_with_multiplatform_firmware — versions 12.0.4
- Cisco Ip_phone_6841
- Cisco Ip_phone_6841_with_multiplatform_firmware — versions 12.0.4
- Cisco Ip_phone_6851
- Cisco Ip_phone_6851_with_multiplatform_firmware — versions 12.0.4
- Cisco Ip_phone_6861
- Cisco Ip_phone_6861_with_multiplatform_firmware — versions 12.0.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-20378?
- CVE-2024-20378 is a high-severity vulnerability in Cisco Ip Phones With Multiplatform Firmware, classified under Authentication Bypass by Primary Weakness. CVSS score: 7.5/10. Published 2024-05-01.
- How severe is CVE-2024-20378?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2024-20378 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.