Description
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 or cause a reload of an affected IP phone. These vulnerabilities are due to missing checks when the IP phone processes a Cisco Discovery Protocol or LLDP packet. An attacker could exploit these vulnerabilities by sending a malicious Cisco Discovery Protocol or LLDP packet to the targeted IP phone. A successful exploit could allow the attacker to execute code on the affected IP phone or cause it to reload unexpectedly, resulting in a denial of service (DoS) condition.Note: Cisco Discovery Protocol is a Layer 2 protocol. To exploit these vulnerabilities, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco IP Phones with Multiplatform Firmware | 11.1.2; 11.2.1; 11.2.3; 11.2.2; 11.2.3 MSR1-1; 11.1.2 MSR1-1; 11.1.1; 11.1.2 MSR3-1; 11.0.0; 11.1.1 MSR1-1; 11.0.1; 11.1.1 MSR2-1; 11.2.4; 11.0.1 MSR1-1; 11.0.2; 11.3.1; 11.3.1 MSR1-3; 11.3.2; 11.3.1 MSR2-6; 11.3.1 MSR3-3 |
| Cisco | Cisco Session Initiation Protocol (SIP) Software | 9.0(3); 9.0(2)SR2; 9.0(2)SR1; 9.2(1); 9.4(2)SR1; 9.4(2); 9.4(2)SR2; 9.4(2)SR3; 9.3(1)SR2; 9.3(1)SR3; 9.3(1)SR1; 9.1(1)SR1; 9.3(1)SR4; 9.2(3); 9.2(1)SR2; 9.3(1); 9.4(2)SR4; 12.1(1)SR1; 11.5(1); 10.3(2) |
| Cisco | Cisco Small Business IP Phones | 7.4.8; 7.4.3; 7.5.5a; 7.3.7; 7.5.2; 7.5.1; 7.4.6; 7.5.7; 7.4.4; 7.6.2SR3; 7.6.2; 7.5.6; 7.5.6c; 7.6.0; 7.4.7; 7.6.2SR6; 7.5.2b; 7.5.5; 7.5.6a; 7.6.2SR2 |
References
Timeline
- Published
- Nov 18, 2024
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed