CVE-2020-25108: Vulnerability Analysis & Exploit Details

Status: Analyzed - Last modified: 15-12-2020 Published: 11-12-2020

CVE-2020-25108
Vulnerability Scoring

9.8
/10

Attack Complexity Details

  • Attack Complexity: Low Impact
  • Attack Vector: NETWORK
  • Privileges Required: None
  • Scope: UNCHANGED
  • User Interaction: NONE

CIA Impact Definition

  • Confidentiality: HIGH IMPACT
  • Integrity: HIGH IMPACT
  • Availability: HIGH IMPACT

CVE-2020-25108 Vulnerability Summary

An issue was discovered in the DNS implementation in Ethernut in Nut/OS 5.1. The DNS response data length is not checked (it can be set to an arbitrary value from a packet). This may lead to successful Denial-of-Service, and possibly Remote Code Execution.

Access Complexity Graph for CVE-2020-25108

Impact Analysis for CVE-2020-25108

CVE-2020-25108: Detailed Information and External References

EPSS

0.58120

EPSS %

0.97910

References

0.58120

CWE

CWE-787

Vulnerable Configurations

  • cpe:2.3:o:ethernut:nut\/os:4.10:*:*:*:*:*:*:*
    cpe:2.3:o:ethernut:nut\/os:4.10:*:*:*:*:*:*:*
  • cpe:2.3:o:ethernut:nut\/os:5.1:*:*:*:*:*:*:*
    cpe:2.3:o:ethernut:nut\/os:5.1:*:*:*:*:*:*:*

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

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

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