CVE-2018-7300

CVSS V2 High 10 CVSS V3 Critical 9.8
Description
Directory Traversal / Arbitrary File Write / Remote Code Execution in the User.setLanguage method in eQ-3 AG Homematic CCU2 2.29.2 and earlier allows remote attackers to write arbitrary files to the device's filesystem. This vulnerability can be exploited by unauthenticated attackers with access to the web interface.
Overview
  • CVE ID
  • CVE-2018-7300
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-02-22T19:29:05
  • Last Modified Date
  • 2020-04-14T15:32:39
Weakness Enumerations
CWE URL
CWE-22 http://cwe.mitre.org/data/definitions/22.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:eq-3:homematic_ccu2_firmware:*:*:*:*:*:*:*:* 1 OR 2.29.22
cpe:2.3:h:eq-3:homematic_ccu2:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 10
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
http://atomic111.github.io/article/homematic-ccu2-filewrite Third Party Advisory
https://www.exploit-db.com/exploits/44361/ Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-7300
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7300
History
Created Old Value New Value Data Type Notes
2022-05-10 16:44:40 Added to TrackCVE
2022-12-03 02:40:03 2018-02-22T19:29Z 2018-02-22T19:29:05 CVE Published Date updated
2022-12-03 02:40:03 2020-04-14T15:32:39 CVE Modified Date updated
2022-12-03 02:40:03 Analyzed Vulnerability Status updated