// For flags

CVE-2020-12667

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

Knot Resolver before 5.1.1 allows traffic amplification via a crafted DNS answer from an attacker-controlled server, aka an "NXNSAttack" issue. This is triggered by random subdomains in the NSDNAME in NS records.

Knot Resolver versiones anteriores a 5.1.1, permite la amplificación del tráfico mediante una respuesta DNS diseñada desde un servidor controlado por el atacante, también se conoce como un problema de "NXNSAttack". Esto es activado por subdominios aleatorios en los registros NS en NSDNAME.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2020-05-05 CVE Reserved
  • 2020-05-19 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-09-12 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-400: Uncontrolled Resource Consumption
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Nic
Search vendor "Nic"
 Knot Resolver
Search vendor "Nic" for product "Knot Resolver"
 < 5.1.1
Search vendor "Nic" for product "Knot Resolver" and version " < 5.1.1"
-
Affected