How severe is CVE-2024-31967?

CVE-2024-31967 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2024-31967 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-31967?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-31967 have an EU (EUVD) identifier?

Yes. CVE-2024-31967 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-29825.

When was CVE-2024-31967 published?

CVE-2024-31967 was published on 2024-05-02 and last updated on 2026-06-17.

CVE-2024-31967

CVE-2024-31967 is a critical-severity vulnerability with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-29825
Weakness: CWE-284
Published: 2024-05-02
Last modified: 2026-06-17

Description

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 unauthenticated attacker to conduct an unauthorized access attack due to improper access control. A successful exploit could allow an attacker to gain unauthorized access to user information or the system configuration.

Frequently asked questions

What is CVE-2024-31967?: 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 unauthenticated attacker to conduct an unauthorized access attack due to improper access control. A successful exploit could allow an attacker to gain unauthorized access to user information or the system configuration.
How severe is CVE-2024-31967?: CVE-2024-31967 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2024-31967 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-31967?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-31967 have an EU (EUVD) identifier?: Yes. CVE-2024-31967 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-29825.
When was CVE-2024-31967 published?: CVE-2024-31967 was published on 2024-05-02 and last updated on 2026-06-17.

References

https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-24-0010

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