Mitel MiCollab, MiVoice Business Express Access Control Vulnerability
The TP-240 (aka tp240dvr) component in Mitel MiCollab before 9.4 SP1 FP1 and MiVoice Business Express through 8.1 allows remote attackers to obtain sensitive information and cause a denial of service (performance degradation and excessive…
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 4 / 5
- KEV catalog (CISA)25 Mar 2022
- Exploited in EUVD (ENISA)25 Mar 2022
- Used by ransomwareno
- EPSS above 10 %87.3%
- No account, over the networkyes
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply updates per vendor instructions.
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
The TP-240 (aka tp240dvr) component in Mitel MiCollab before 9.4 SP1 FP1 and MiVoice Business Express through 8.1 allows remote attackers to obtain sensitive information and cause a denial of service (performance degradation and excessive outbound traffic). This was exploited in the wild in February and March 2022 for the TP240PhoneHome DDoS attack.
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: 87.3%
References
Other exploited vulnerabilities from the same vendor
- CVE-2024-41710Mitel SIP Phones Argument Injection Vulnerability5.8 · Background exploitation
- 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