CVEvulnerability
CVE-2021-31245
5.9 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-05-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-287
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 configurations
• openmptcprouter openmptcprouter (<= 0.57.3)
Related
Weakness · CWE (1)
- CWE-287 Improper Authentication weakness
References
- https://github.com/Ysurac/openmptcprouter-vps-admin Third Party Advisory
- https://github.com/Ysurac/openmptcprouter-vps-admin/commit/a01cbc8c3d3b8bb7720bf3ff234671b4c0e1859c#diff-b89ee68e63302a732d4bde35eb04a205b06f1611147e139642356f173195ab80 Patch, Third Party Advisory
- https://medium.com/d3crypt/timing-attack-on-openmptcprouter-vps-admin-authentication-cve-2021-31245-12dd92303e1 Exploit, Patch, Third Party Advisory
- https://www.openmptcprouter.com/ Vendor Advisory
- https://github.com/Ysurac/openmptcprouter-vps-admin Third Party Advisory
- https://github.com/Ysurac/openmptcprouter-vps-admin/commit/a01cbc8c3d3b8bb7720bf3ff234671b4c0e1859c#diff-b89ee68e63302a732d4bde35eb04a205b06f1611147e139642356f173195ab80 Patch, Third Party Advisory
- https://medium.com/d3crypt/timing-attack-on-openmptcprouter-vps-admin-authentication-cve-2021-31245-12dd92303e1 Exploit, Patch, Third Party Advisory
- https://www.openmptcprouter.com/ Vendor Advisory