CVE-2021-31249

CVSS V2 Medium 6.4 CVSS V3 Medium 6.5
Description
A CRLF injection vulnerability was found on BF-430, BF-431, and BF-450M TCP/IP Converter devices from CHIYU Technology Inc due to a lack of validation on the parameter redirect= available on multiple CGI components.
Overview
  • CVE ID
  • CVE-2021-31249
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-06-04T21:15:07
  • Last Modified Date
  • 2021-06-08T20:15:26
Weakness Enumerations
CWE URL
NVD-CWE-Other http://cwe.mitre.org/data/definitions/NVD-Other.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:chiyu-tech:bf-430_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:chiyu-tech:bf-430:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:chiyu-tech:bf-431_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:chiyu-tech:bf-431:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:chiyu-tech:bf-450m_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:chiyu-tech:bf-450m:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 6.4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.5
References
Reference URL Reference Tags
https://www.chiyu-tech.com/msg/message-Firmware-update-87.html Vendor Advisory
https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/ Exploit Third Party Advisory
https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31249 Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-31249
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31249
History
Created Old Value New Value Data Type Notes
2022-05-10 07:12:16 Added to TrackCVE
2022-12-05 03:36:40 2021-06-04T21:15Z 2021-06-04T21:15:07 CVE Published Date updated
2022-12-05 03:36:40 2021-06-08T20:15:26 CVE Modified Date updated
2022-12-05 03:36:40 Analyzed Vulnerability Status updated