CVE-2021-31245

MediumCVSS 5.9/10Last modified Jun 17, 2026

Description

omr-admin.py in openmptcprouter-vps-admin 0.57.3 and earlier compares the user provided password with the original password in a length dependent manner, which allows remote attackers to guess the password via a timing attack.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-287

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/Ysurac/openmptcprouter-vps-adminThird Party Advisory
https://github.com/Ysurac/openmptcprouter-vps-admin/commit/a01cbc8c3d3b8bb7720bf3ff234671b4c0e1859c#diff-b89ee68e63302a732d4bde35eb04a205b06f1611147e139642356f173195ab80Patch, Third Party Advisory
https://medium.com/d3crypt/timing-attack-on-openmptcprouter-vps-admin-authentication-cve-2021-31245-12dd92303e1Exploit, Patch, Third Party Advisory
https://www.openmptcprouter.com/Vendor Advisory
https://github.com/Ysurac/openmptcprouter-vps-adminThird Party Advisory
https://github.com/Ysurac/openmptcprouter-vps-admin/commit/a01cbc8c3d3b8bb7720bf3ff234671b4c0e1859c#diff-b89ee68e63302a732d4bde35eb04a205b06f1611147e139642356f173195ab80Patch, Third Party Advisory
https://medium.com/d3crypt/timing-attack-on-openmptcprouter-vps-admin-authentication-cve-2021-31245-12dd92303e1Exploit, Patch, Third Party Advisory
https://www.openmptcprouter.com/Vendor Advisory

Timeline

Published: May 6, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

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