CVE-2023-26437

2023-04-0415:15:08

[email protected]

web.nvd.nist.gov

cve-2023-26437

powerdns recursor

denial of service

vulnerability

authoritative servers

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

5.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

41.2%

JSON

Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3.

Affected configurations

NVD

Node

powerdnsrecursorRange<4.6.6

powerdnsrecursorRange4.7.0–4.7.5

powerdnsrecursorRange4.8.0–4.8.4

CPENameOperatorVersion
powerdns:recursorpowerdns recursorlt4.6.6
powerdns:recursorpowerdns recursorlt4.7.5
powerdns:recursorpowerdns recursorlt4.8.4

CPE	Name	Operator	Version
powerdns:recursor	powerdns recursor	lt	4.6.6
powerdns:recursor	powerdns recursor	lt	4.7.5
powerdns:recursor	powerdns recursor	lt	4.8.4

CNA Affected

[
  {
    "defaultStatus": "affected",
    "product": "Recursor",
    "vendor": "PowerDNS",
    "versions": [
      {
        "lessThanOrEqual": "4.6.5",
        "status": "affected",
        "version": "0",
        "versionType": "range"
      },
      {
        "lessThanOrEqual": "4.7.4 ",
        "status": "affected",
        "version": "0",
        "versionType": "range"
      },
      {
        "lessThanOrEqual": "4.8.3",
        "status": "affected",
        "version": "0",
        "versionType": "range"
      }
    ]
  }
]