CVE-2020-2031

CVSS V2 Medium 6.8 CVSS V3 Medium 4.9
Description
An integer underflow vulnerability in the dnsproxyd component of the PAN-OS management interface allows authenticated administrators to issue a command from the command line interface that causes the component to stop responding. Repeated attempts to send this request result in denial of service to all PAN-OS services by restarting the device and putting it into maintenance mode. This issue impacts: PAN-OS 9.1 versions earlier than PAN-OS 9.1.3. This issue does not impact PAN-OS 8.1, PAN-OS 9.0, or Prisma Access services.
Overview
  • CVE ID
  • CVE-2020-2031
  • Assigner
  • psirt@paloaltonetworks.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-07-08T17:15:09
  • Last Modified Date
  • 2020-07-14T17:56:00
Weakness Enumerations
CWE URL
CWE-191 http://cwe.mitre.org/data/definitions/191.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* 1 OR 9.1.0 9.1.3
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 4.9
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.2
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://security.paloaltonetworks.com/CVE-2020-2031 Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-2031
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2031
History
Created Old Value New Value Data Type Notes
2022-05-10 16:40:55 Added to TrackCVE
2022-12-04 19:17:37 2020-07-08T17:15Z 2020-07-08T17:15:09 CVE Published Date updated
2022-12-04 19:17:37 2020-07-14T17:56:00 CVE Modified Date updated
2022-12-04 19:17:37 Analyzed Vulnerability Status updated