CVE-2021-4188

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
mruby is vulnerable to NULL Pointer Dereference
Overview
  • CVE ID
  • CVE-2021-4188
  • Assigner
  • security@huntr.dev
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-12-30T07:15:06
  • Last Modified Date
  • 2022-01-06T20:17:54
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:* 1 OR 3.0.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/mruby/mruby/commit/27d1e0132a0804581dca28df042e7047fd27eaa8 Patch Third Party Advisory
https://huntr.dev/bounties/78533fb9-f3e0-47c2-86dc-d1f96d5bea28 Exploit Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-4188
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4188
History
Created Old Value New Value Data Type Notes
2022-05-10 06:38:08 Added to TrackCVE
2022-12-06 05:20:01 2021-12-30T07:15Z 2021-12-30T07:15:06 CVE Published Date updated
2022-12-06 05:20:01 2022-01-06T20:17:54 CVE Modified Date updated
2022-12-06 05:20:01 Analyzed Vulnerability Status updated