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cvelistPalo_altoCVELIST:CVE-2020-2031
HistoryJul 08, 2020 - 4:35 p.m.

CVE-2020-2031 PAN-OS: Integer underflow in the management interface

2020-07-0816:35:17
CWE-191
palo_alto
www.cve.org
6

CVSS3

4.9

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

AI Score

5.1

Confidence

High

EPSS

0.001

Percentile

35.0%

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.

CNA Affected

[
  {
    "product": "PAN-OS",
    "vendor": "Palo Alto Networks",
    "versions": [
      {
        "status": "unaffected",
        "version": "9.0.*"
      },
      {
        "status": "unaffected",
        "version": "8.1.*"
      },
      {
        "changes": [
          {
            "at": "9.1.3",
            "status": "unaffected"
          }
        ],
        "lessThan": "9.1.3",
        "status": "affected",
        "version": "9.1",
        "versionType": "custom"
      }
    ]
  }
]

CVSS3

4.9

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

AI Score

5.1

Confidence

High

EPSS

0.001

Percentile

35.0%

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