HIGH

CVE-2021-25681

CVSS v3

7.5

HIGH

EPSS Score

11.2%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

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

Technical details

Published
4/20/2021

Frequently asked questions

What is CVE-2021-25681?

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

Is CVE-2021-25681 actively exploited?

Active exploitation of CVE-2021-25681 has not been confirmed. The EPSS score is 11.2%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-25681?

CVE-2021-25681 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2021-25681 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.