CVE-2021-25681

HighCVSS 7.5/10Last modified Jul 9, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected software

No affected versions have been published.

Timeline

Published
Apr 20, 2021
Last modified
Jul 9, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-256827.8It was discovered that the get_pid_info() function in data/apport did not properly parse the /proc/pid/status file from the kernel.CVE-2021-256837.8It was discovered that the get_starttime() function in data/apport did not properly parse the /proc/pid/stat file from the kernel.CVE-2021-256847.8It was discovered that apport in data/apport did not properly open a report file to prevent hanging reads on a FIFO.CVE-2021-256885.5Under certain conditions, Teradici PCoIP Agents for Windows prior to version 20.10.0 and Teradici PCoIP Agents for Linux prior to version 21CVE-2021-256899.8An out of bounds write in Teradici PCoIP soft client versions prior to version 20.10.1 could allow an attacker to remotely execute code.CVE-2021-256907.5A null pointer dereference in Teradici PCoIP Soft Client versions prior to 20.07.3 could allow an attacker to crash the software.CVE-2021-256924.6Sensitive smart card data is logged in default INFO logs by Teradici's PCoIP Connection Manager and Security Gateway prior to version 21.01.CVE-2021-256937.5An attacker may cause a Denial of Service (DoS) in multiple versions of Teradici PCoIP Agent via a null pointer dereference.CVE-2021-256947.8Teradici PCoIP Graphics Agent for Windows prior to 21.03 does not validate NVENC.dll. An attacker could replace the .dll and redirect pixelsCVE-2021-256957.8The USB vHub in the Teradici PCOIP Software Agent prior to version 21.07.0 would accept commands from any program, which may allow an attackCVE-2021-256987.8The OpenSSL component of the Teradici PCoIP Standard Agent prior to version 21.07.0 was compiled without the no-autoload-config option, whicCVE-2021-256997.8The OpenSSL component of the Teradici PCoIP Software Client prior to version 21.07.0 was compiled without the no-autoload-config option, whi
CVE-2021-25681: High severity, CVSS 7.5 | Vulnix