Mitel SIP Phones Argument Injection Vulnerability
A vulnerability in the Mitel 6800 Series, 6900 Series, and 6900w Series SIP Phones, including the 6970 Conference Unit, through R6.4.0.HF1 (R6.4.0.136) could allow an authenticated attacker with administrative privilege to conduct an…
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 3 / 5
- KEV catalog (CISA)12 Feb 2025
- Exploited in EUVD (ENISA)12 Feb 2025
- Used by ransomwareno
- EPSS above 10 %41.6%
- No account, over the networkno
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Description ENISA EUVD
A vulnerability in the Mitel 6800 Series, 6900 Series, and 6900w Series SIP Phones, including the 6970 Conference Unit, through R6.4.0.HF1 (R6.4.0.136) could allow an authenticated attacker with administrative privilege to conduct an argument injection attack, due to insufficient parameter sanitization during the boot process. A successful exploit could allow an attacker to execute arbitrary commands within the context of the system.
Affected products
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
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Published
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Exploitation reported (ENISA)
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Added to the KEV catalog
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CISA remediation due date
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EPSS peak: 41.6%
References
Other exploited vulnerabilities from the same vendor
- CVE-2024-55550Mitel MiCollab Path Traversal Vulnerability5.3 · Background exploitation
- CVE-2024-41713Mitel MiCollab Path Traversal Vulnerability9.6 · Background exploitation
- CVE-2022-41223Mitel MiVoice Connect Code Injection Vulnerability5.4 · Background exploitation
- CVE-2022-40765Mitel MiVoice Connect Command Injection Vulnerability5.4 · Background exploitation
- CVE-2022-29499Mitel MiVoice Connect Data Validation Vulnerability8.6 · Background exploitation
- CVE-2022-26143MiCollab, MiVoice Business Express Access Control Vulnerability8.9 · Background exploitation