CVE-2021-26264

CVSS V2 Medium 4.9 CVSS V3 Medium 5.5
Description
A specially crafted script could cause the DeltaV Distributed Control System Controllers (All Versions) to restart and cause a denial-of-service condition.
Overview
  • CVE ID
  • CVE-2021-26264
  • Assigner
  • ics-cert@hq.dhs.gov
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-01-28T20:15:10
  • Last Modified Date
  • 2022-02-02T20:28:47
Weakness Enumerations
CWE URL
CWE-306 http://cwe.mitre.org/data/definitions/306.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:emerson:deltav_workstation:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:emerson:deltav_distributed_control_system:-:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 4.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-04 Mitigation Third Party Advisory US Government Resource
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-26264
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26264
History
Created Old Value New Value Data Type Notes
2022-05-10 06:34:39 Added to TrackCVE
2022-12-06 08:00:18 2022-01-28T20:15Z 2022-01-28T20:15:10 CVE Published Date updated
2022-12-06 08:00:18 2022-02-02T20:28:47 CVE Modified Date updated
2022-12-06 08:00:18 Analyzed Vulnerability Status updated