CVE-2020-27383

CVSS V2 Medium 4.6 CVSS V3 High 7.8
Description
Battle.net.exe in Battle.Net 1.27.1.12428 suffers from an elevation of privileges vulnerability which can be used by an "Authenticated User" to modify the existing executable file with a binary of his choice. The vulnerability exist due to weak set of permissions being granted to the "Authenticated Users Group" which grants the (F) Flag aka "Full Control"
Overview
  • CVE ID
  • CVE-2020-27383
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-06-09T19:15:09
  • Last Modified Date
  • 2021-06-17T18:28:48
Weakness Enumerations
CWE URL
CWE-281 http://cwe.mitre.org/data/definitions/281.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:blizzard:battle.net:1.27.1.12428:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.6
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://github.com/FreySolarEye/CVE/blob/master/Battle%20Net%20Launcher%20Local%20Privilege%20Escalation Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-27383
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27383
History
Created Old Value New Value Data Type Notes
2022-05-10 07:10:52 Added to TrackCVE
2022-12-05 04:02:50 2021-06-09T19:15Z 2021-06-09T19:15:09 CVE Published Date updated
2022-12-05 04:02:50 2021-06-17T18:28:48 CVE Modified Date updated
2022-12-05 04:02:50 Analyzed Vulnerability Status updated