Vulnerability · Published May 6, 2021 · Assigned by mitre

CVE-2021-31245

Medium 5.9

In plain English

A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 82% of all known vulnerabilities).

Severity (CVSS NVD)5.9Medium

Exploit odds (30 days)2.1%top 18.3% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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 products (as reported)

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

References

https://github.com/Ysurac/openmptcprouter-vps-admin x_refsource_MISC
https://www.openmptcprouter.com/ x_refsource_MISC
https://medium.com/d3crypt/timing-attack-on-openmptcprouter-vps-admin-authentication-cve-2021-31245-12dd92303e1 x_refsource_MISC
https://github.com/Ysurac/openmptcprouter-vps-admin/commit/a01cbc8c3d3b8bb7720bf3ff234671b4c0e1859c#diff-b89ee68e63302a732d4bde35eb04a205b06f1611147e139642356f173195ab80 x_refsource_MISC