CVE-2020-13638: Vulnerability Analysis & Exploit Details

Status: Analyzed - Last modified: 21-07-2021 Published: 13-11-2020

CVE-2020-13638
Vulnerability Scoring

9.8
/10

Attack Complexity Details

  • Attack Complexity: Low Impact
  • Attack Vector: NETWORK
  • Privileges Required: None
  • Scope: UNCHANGED
  • User Interaction: NONE

CIA Impact Definition

  • Confidentiality: HIGH IMPACT
  • Integrity: HIGH IMPACT
  • Availability: HIGH IMPACT

CVE-2020-13638 Vulnerability Summary

lib/crud/userprocess.php in rConfig 3.9.x before 3.9.7 has an authentication bypass, leading to administrator account creation. This issue has been fixed in 3.9.7.

Access Complexity Graph for CVE-2020-13638

Impact Analysis for CVE-2020-13638

CVE-2020-13638: Detailed Information and External References

EPSS

0.63367

EPSS %

0.98042

References

0.63367

CWE

CWE-269

CAPEC

0.63367

  • Privilege Abuse: An adversary is able to exploit features of the target that should be reserved for privileged users or administrators but are exposed to use by lower or non-privileged accounts. Access to sensitive information and functionality must be controlled to ensure that only authorized users are able to access these resources.
  • Privilege Escalation: An adversary exploits a weakness enabling them to elevate their privilege and perform an action that they are not supposed to be authorized to perform.
  • Restful Privilege Elevation: An adversary identifies a Rest HTTP (Get, Put, Delete) style permission method allowing them to perform various malicious actions upon server data due to lack of access control mechanisms implemented within the application service accepting HTTP messages.

Vulnerable Configurations

  • cpe:2.3:a:rconfig:rconfig:3.9.0:*:*:*:*:*:*:*
    cpe:2.3:a:rconfig:rconfig:3.9.0:*:*:*:*:*:*:*
  • cpe:2.3:a:rconfig:rconfig:3.9.1:*:*:*:*:*:*:*
    cpe:2.3:a:rconfig:rconfig:3.9.1:*:*:*:*:*:*:*
  • cpe:2.3:a:rconfig:rconfig:3.9.2:*:*:*:*:*:*:*
    cpe:2.3:a:rconfig:rconfig:3.9.2:*:*:*:*:*:*:*
  • cpe:2.3:a:rconfig:rconfig:3.9.3:*:*:*:*:*:*:*
    cpe:2.3:a:rconfig:rconfig:3.9.3:*:*:*:*:*:*:*
  • cpe:2.3:a:rconfig:rconfig:3.9.4:*:*:*:*:*:*:*
    cpe:2.3:a:rconfig:rconfig:3.9.4:*:*:*:*:*:*:*
  • cpe:2.3:a:rconfig:rconfig:3.9.5:*:*:*:*:*:*:*
    cpe:2.3:a:rconfig:rconfig:3.9.5:*:*:*:*:*:*:*
  • cpe:2.3:a:rconfig:rconfig:3.9.6:*:*:*:*:*:*:*
    cpe:2.3:a:rconfig:rconfig:3.9.6:*:*:*:*:*:*:*

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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