CVE-2021-25681
HighCVSS 7.5Exploitation Probability (EPSS)
Very high risk95th percentile - higher than 95% of all known CVEs
Summary
AdTran Personal Phone Manager 10.8.1 software is vulnerable to data exfiltration over DNS. Exposed web servers can be used as DNS redirectors to tunnel arbitrary data.
Risk Assessment
The risk involves potential leakage of sensitive organizational data through DNS tunneling, leading to confidentiality breaches.
Recommendation
Immediately decommission NetVanta 7060 and NetVanta 7100 appliances as they are End of Life and will not be patched. Replace with supported hardware.
Other vulnerabilities in AdTran Personal Phone Manager
See all- CVE-2021-25680Medium
AdTran Personal Phone Manager software is vulnerable to multiple reflected cross-site scripting (XSS) issues. This affects at least version 10.8.1 and below, but potentially later versions as well. The affected NetVanta 7060 and NetVanta 7100 appliances are End of Life and will not receive a patch.
- CVE-2021-25679Medium
AdTran Personal Phone Manager software is vulnerable to an authenticated stored cross-site scripting (XSS) issue. This affects at least version 10.8.1 and earlier, but potentially later versions as well. The affected NetVanta 7060 and NetVanta 7100 appliances are End of Life and will not receive a patch.
Original NVD description (English source)
AdTran Personal Phone Manager 10.8.1 software is vulnerable to an issue that allows for exfiltration of data over DNS. This could allow for exposed AdTran Personal Phone Manager web servers to be used as DNS redirectors to tunnel arbitrary data over DNS. NOTE: The affected appliances NetVanta 7060 and NetVanta 7100 are considered End of Life and as such this issue will not be patched.