Vulnerability Details : CVE-2020-12662

Unbound before 1.10.1 has Insufficient Control of Network Message Volume, aka an "NXNSAttack" issue. This is triggered by random subdomains in the NSDNAME in NS records.
Published 2020-05-19 14:15:11
Updated 2021-07-21 11:39:24
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2020-12662

Threat overview for CVE-2020-12662

Top countries where our scanners detected CVE-2020-12662
Top open port discovered on systems with this issue 53
IPs affected by CVE-2020-12662 12,315
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2020-12662!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2020-12662

EPSS FAQ
0.77%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 81 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-12662

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
 NIST
7.5
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 NIST

CWE ids for CVE-2020-12662

  • The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-12662

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