CVE-2019-5077

CVSS V2 High 8.5 CVSS V3 Critical 9.1
Description
An exploitable denial-of-service vulnerability exists in the iocheckd service ‘’I/O-Chec’’ functionality of WAGO PFC 200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC 100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a denial of service, resulting in the device entering an error state where it ceases all network communications. An attacker can send unauthenticated packets to trigger this vulnerability.
Overview
  • CVE ID
  • CVE-2019-5077
  • Assigner
  • talos-cna@cisco.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2019-12-18T20:15:16
  • Last Modified Date
  • 2020-02-10T21:53:09
Weakness Enumerations
CWE URL
CWE-306 http://cwe.mitre.org/data/definitions/306.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:wago:pfc_200_firmware:03.00.39\(12\):*:*:*:*:*:*:* 1 OR
cpe:2.3:o:wago:pfc_200_firmware:03.01.07\(13\):*:*:*:*:*:*:* 1 OR
cpe:2.3:h:wago:pfc_200:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:wago:pfc_100_firmware:03.00.39\(12\):*:*:*:*:*:*:* 1 OR
cpe:2.3:h:wago:pfc_100:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:P/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • COMPLETE
  • Base Score
  • 8.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 7.8
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 9.1
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.2
References
Reference URL Reference Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0869 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-5077
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5077
History
Created Old Value New Value Data Type Notes
2022-05-10 16:50:17 Added to TrackCVE
2022-12-04 08:21:10 2019-12-18T20:15Z 2019-12-18T20:15:16 CVE Published Date updated
2022-12-04 08:21:10 2020-02-10T21:53:09 CVE Modified Date updated
2022-12-04 08:21:10 Modified Vulnerability Status updated