CVE-2023-26437 Deterred spoofing attempts can lead to authoritative servers being marked unavailable

2023-04-0414:37:29

www.cve.org

cve-2023-26437

deterred spoofing

authoritative servers

unavailability

3.4 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

5.7 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

41.0%

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.

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"
      }
    ]
  }
]