Vulnerability Details : CVE-2021-4248

A vulnerability was found in kapetan dns up to 6.1.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file DNS/Protocol/Request.cs. The manipulation leads to insufficient entropy in prng. The attack may be launched remotely. Upgrading to version 7.0.0 is able to address this issue. The name of the patch is cf7105aa2aae90d6656088fe5a8ee1d5730773b6. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216188.
Published 2022-12-18 11:15:10
Updated 2022-12-22 16:46:18
Source VulDB
View at NVD,   CVE.org

Products affected by CVE-2021-4248

Exploit prediction scoring system (EPSS) score for CVE-2021-4248

EPSS FAQ
0.20%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-4248

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.6
 MEDIUM CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
2.2
3.4
 VulDB
9.8
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
 NIST

CWE ids for CVE-2021-4248

  • The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.
    Assigned by: cna@vuldb.com (Primary)
  • The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.
    Assigned by: cna@vuldb.com (Primary)
  • The lack of entropy available for, or used by, a Pseudo-Random Number Generator (PRNG) can be a stability and security threat.
    Assigned by: cna@vuldb.com (Primary)

References for CVE-2021-4248

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