CVE-2021-45420

CVSS V2 High 10 CVSS V3 Critical 9.8
Description
** UNSUPPORTED WHEN ASSIGNED ** Emerson Dixell XWEB-500 products are affected by arbitrary file write vulnerability in /cgi-bin/logo_extra_upload.cgi, /cgi-bin/cal_save.cgi, and /cgi-bin/lo_utils.cgi. An attacker will be able to write any file on the target system without any kind of authentication mechanism, and this can lead to denial of service and potentially remote code execution. Note: the product has not been supported since 2018 and should be removed or replaced.
Overview
  • CVE ID
  • CVE-2021-45420
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-02-14T14:15:08
  • Last Modified Date
  • 2022-07-12T17:42:04
Weakness Enumerations
CWE URL
CWE-200 http://cwe.mitre.org/data/definitions/200.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:emerson:dixell_xweb-500_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:emerson:dixell_xweb-500:-:*:*:*:*:*:*:* 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
https://www.swascan.com/emerson Exploit Third Party Advisory
http://emerson.com Vendor Advisory
http://dixell.com Product
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-45420
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45420
History
Created Old Value New Value Data Type Notes
2022-05-10 06:31:43 Added to TrackCVE
2022-12-06 09:42:10 2022-02-14T14:15Z 2022-02-14T14:15:08 CVE Published Date updated
2022-12-06 09:42:10 2022-07-12T17:42:04 CVE Modified Date updated
2022-12-06 09:42:10 Analyzed Vulnerability Status updated