CVE-2024-31963
A vulnerability on Mitel 6800 Series and 6900 Series SIP Phones, including 6970 Conference Unit,...
A vulnerability on Mitel 6800 Series and 6900 Series SIP Phones through 6.3 SP3 HF4, 6900w Series SIP Phone through 6.3.3, and 6970 Conference Unit through 5.1.1 SP8 allows an authenticated attacker to conduct a buffer overflow attack due to insufficient bounds checking and input sanitization. A successful exploit could allow an attacker to gain access to sensitive information, modify system configuration or execute arbitrary commands within the context of the system.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
A vulnerability on Mitel 6800 Series and 6900 Series SIP Phones through 6.3 SP3 HF4, 6900w Series SIP Phone through 6.3.3, and 6970 Conference Unit through 5.1.1 SP8 allows an authenticated attacker to conduct a buffer overflow attack due to insufficient bounds checking and input sanitization. A successful exploit could allow an attacker to gain access to sensitive information, modify system configuration or execute arbitrary commands within the context of the system.
- Record
CVE-2024-31963- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2024-29821
A vulnerability on Mitel 6800 Series and 6900 Series SIP Phones through 6.3 SP3 HF4, 6900w Series SIP Phone through 6.3.3, and 6970 Conference Unit through 5.1.1 SP8 allows an authenticated attacker to conduct a buffer overflow attack due to insufficient bounds checking and input sanitization. A successful exploit could allow an attacker to gain access to sensitive information, modify system configuration or execute arbitrary commands within the context of the system.
- Record
EUVD-2024-29821- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-87hc-xjjc-rvw9
A vulnerability on Mitel 6800 Series and 6900 Series SIP Phones, including 6970 Conference Unit,...
A vulnerability on Mitel 6800 Series and 6900 Series SIP Phones, including 6970 Conference Unit, through 6.3 SP3 HF4 allows an authenticated attacker to conduct a buffer overflow attack due to insufficient bounds checking and input sanitization. A successful exploit could allow an attacker to cause a denial of service.
- Record
GHSA-87hc-xjjc-rvw9- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
NVD
A vulnerability on Mitel 6800 Series and 6900 Series SIP Phones through 6.3 SP3 HF4, 6900w Series SIP Phone through 6.3.3, and 6970 Conference Unit through 5.1.1 SP8 allows an authenticated attacker to conduct a buffer overflow attack due to insufficient bounds checking and input sanitization. A successful exploit could allow an attacker to gain access to sensitive information, modify system configuration or execute arbitrary commands within the context of the system.
- Record
CVE-2024-31963- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-31963 is a medium vulnerability (CVSS 6.4) in Mitel 6900 Series Sip Phones, published May 2, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. No source names a fixed version.