// For flags

CVE-2023-26437

Deterred spoofing attempts can lead to authoritative servers being marked unavailable

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
None
Integrity
None
Availability
Low
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-02-22 CVE Reserved
  • 2023-04-04 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-10-25 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Powerdns
Search vendor "Powerdns"
 Recursor
Search vendor "Powerdns" for product "Recursor"
 < 4.6.6
Search vendor "Powerdns" for product "Recursor" and version " < 4.6.6"
-
Affected
Powerdns
Search vendor "Powerdns"
 Recursor
Search vendor "Powerdns" for product "Recursor"
 >= 4.7.0 < 4.7.5
Search vendor "Powerdns" for product "Recursor" and version " >= 4.7.0 < 4.7.5"
-
Affected
Powerdns
Search vendor "Powerdns"
 Recursor
Search vendor "Powerdns" for product "Recursor"
 >= 4.8.0 < 4.8.4
Search vendor "Powerdns" for product "Recursor" and version " >= 4.8.0 < 4.8.4"
-
Affected