Buffer overflow in Cisco Ip Phones With Multiplatform Firmware
CVE-2021-1379
Multiple vulnerabilities in the Cisco Discovery Protocol and Link Layer Discovery Protocol (LLDP) implementations for Cisco IP Phone Series 68xx/78xx/88xx could allow an unauthenticated, adjacent attacker to execute code remotely…
Vulnerability class: Buffer Overflow
EPSS: 0.003 (23.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Cisco Ip Phones With Multiplatform Firmware — versions 11.1.2, 11.2.1, 11.2.3
- Cisco Session Initiation Protocol (Sip) Software — versions 9.0(3), 9.0(2)SR2, 9.0(2)SR1
- Cisco Small Business Ip Phones — versions 7.4.8, 7.4.3, 7.5.5a
- Cisco Ip_conference_phone_7832
- Cisco Ip_conference_phone_7832_firmware — versions 12.8\(1\)
- Cisco Ip_conference_phone_7832_with_multiplatform_firmware
- Cisco Ip_conference_phone_8832
- Cisco Ip_conference_phone_8832_firmware — versions 12.8\(1\)
- Cisco Ip_conference_phone_8832_with_multiplatform_firmware
- Cisco Ip_phone_6821
Weakness classification (CWE)
References
- psirt@cisco.com (Vendor Advisory)
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-1379?
- CVE-2021-1379 is a medium-severity vulnerability in Cisco Ip Phones With Multiplatform Firmware, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2024-11-18.
- How severe is CVE-2021-1379?
- Medium severity. CVSS v3 base score is 6.5 out of 10.