CVE-2021-31245

CVSS V2 Medium 4.3 CVSS V3 Medium 5.9
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.
Overview
  • CVE ID
  • CVE-2021-31245
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-06T13:15:12
  • Last Modified Date
  • 2021-05-13T19:13:43
Weakness Enumerations
CWE URL
CWE-287 http://cwe.mitre.org/data/definitions/287.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:openmptcprouter:openmptcprouter:*:*:*:*:*:*:*:* 1 OR 0.57.3
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.9
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.2
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/Ysurac/openmptcprouter-vps-admin Third Party Advisory
https://www.openmptcprouter.com/ Vendor 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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-31245
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31245
History
Created Old Value New Value Data Type Notes
2022-05-10 16:16:11 Added to TrackCVE
2022-12-05 01:38:41 2021-05-06T13:15Z 2021-05-06T13:15:12 CVE Published Date updated
2022-12-05 01:38:41 2021-05-13T19:13:43 CVE Modified Date updated
2022-12-05 01:38:41 Analyzed Vulnerability Status updated