vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2021-31245

MEDIUM
5.9
CVSS Score
Published: May 6, 2021 at 11:45 AM UTC
Updated: June 17, 2026 at 03:51 AM UTC
1 product affected across 1 vendorOpenmptcprouter

Using N/A by N/A?

Get instant alerts when new vulnerabilities affect N/A - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM5.9
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (4)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/Ysurac/openmptcprouter-vps-admin
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/Ysurac/openmptcprouter-vps-admin/commit/a01cbc8c3d3b8bb7720bf3ff234671b4c0e1859c#diff-b89ee68e63302a732d4bde35eb04a205b06f1611147e139642356f173195ab80
x_refsource_MISCExploitPatchThird Party Advisory
Source: [email protected]
https://medium.com/d3crypt/timing-attack-on-openmptcprouter-vps-admin-authentication-cve-2021-31245-12dd92303e1
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.openmptcprouter.com/

CVSS

5.9MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card