CVE-2021-34581

CVSS V2 High 7.8 CVSS V3 High 7.5
Description
Missing Release of Resource after Effective Lifetime vulnerability in OpenSSL implementation of WAGO 750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889 in versions FW4 up to FW15 allows an unauthenticated attacker to cause DoS on the device.
Overview
  • CVE ID
  • CVE-2021-34581
  • Assigner
  • info@cert.vde.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-08-31T11:15:07
  • Last Modified Date
  • 2021-09-09T12:10:23
Weakness Enumerations
CWE URL
CWE-772 http://cwe.mitre.org/data/definitions/772.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:wago:750-880\/040-000_firmware:*:*:*:*:*:*:*:* 1 OR fw4 fw15
cpe:2.3:h:wago:750-880\/040-000:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:wago:750-880\/025-002_firmware:*:*:*:*:*:*:*:* 1 OR fw4 fw15
cpe:2.3:h:wago:750-880\/025-002:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:wago:750-880\/025-001_firmware:*:*:*:*:*:*:*:* 1 OR fw4 fw15
cpe:2.3:h:wago:750-880\/025-001:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:wago:750-880\/025-000_firmware:*:*:*:*:*:*:*:* 1 OR fw4 fw15
cpe:2.3:h:wago:750-880\/025-000:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:wago:750-831\/000-002_firmware:*:*:*:*:*:*:*:* 1 OR fw4 fw15
cpe:2.3:h:wago:750-831\/000-002:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:wago:750-889_firmware:*:*:*:*:*:*:*:* 1 OR fw4 fw15
cpe:2.3:h:wago:750-889:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:wago:750-881_firmware:*:*:*:*:*:*:*:* 1 OR fw4 fw15
cpe:2.3:h:wago:750-881:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:wago:750-831_firmware:*:*:*:*:*:*:*:* 1 OR fw4 fw15
cpe:2.3:h:wago:750-831:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:wago:750-880_firmware:*:*:*:*:*:*:*:* 1 OR fw4 fw15
cpe:2.3:h:wago:750-880:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.8
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://cert.vde.com/en-us/advisories/vde-2021-038 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-34581
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34581
History
Created Old Value New Value Data Type Notes
2022-05-10 16:06:35 Added to TrackCVE
2022-12-05 09:21:13 2021-08-31T11:15Z 2021-08-31T11:15:07 CVE Published Date updated
2022-12-05 09:21:13 2021-09-09T12:10:23 CVE Modified Date updated
2022-12-05 09:21:13 Analyzed Vulnerability Status updated