CVE-2021-38395

CVSS V2 None CVSS V3 Critical 9.8
Description
Honeywell Experion PKS C200, C200E, C300, and ACE controllers are vulnerable to improper neutralization of special elements in output, which may allow an attacker to remotely execute arbitrary code and cause a denial-of-service condition.
Overview
  • CVE ID
  • CVE-2021-38395
  • Assigner
  • ics-cert@hq.dhs.gov
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-10-28T02:15:16
  • Last Modified Date
  • 2022-11-02T18:12:55
Weakness Enumerations
CWE URL
CWE-74 http://cwe.mitre.org/data/definitions/74.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:honeywell:c200_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:honeywell:c200:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:honeywell:c200e_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:honeywell:c200e:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:honeywell:c300_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:honeywell:c300:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:honeywell:application_control_environment_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:honeywell:application_control_environment:-:*:*:*:*:*:*:* 0 OR
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.honeywellprocess.com/library/support/notifications/Customer/SN2021-02-22-01-Experion-C300-CCL.pdf
https://www.cisa.gov/uscert/ics/advisories/icsa-21-278-04
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-38395
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38395
History
Created Old Value New Value Data Type Notes
2022-10-28 03:00:10 Added to TrackCVE
2022-12-07 13:30:54 2022-10-28T02:15Z 2022-10-28T02:15:16 CVE Published Date updated
2022-12-07 13:30:54 2022-11-02T18:12:55 CVE Modified Date updated
2022-12-07 13:30:54 Analyzed Vulnerability Status updated