CVE-2020-13529

Advisory lineage Upstream: 0 Downstream: 10
Modified
Published: 10 May 2021, 15:08
Last modified:04 Aug 2024, 12:18

Vulnerability Summary

Overall Risk (default)
medium
34/100
CVSS Score
6.1 MEDIUM
v3.0 (cve.org)
EPSS Score
0.08% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

10 May 2021, 15:08
Published
Vulnerability first disclosed
04 Aug 2024, 12:18
Last Modified
Vulnerability information updated

Description

An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.1CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
  • v3.0•MEDIUM•Score: 6.1CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
  • v2.0•LOW•Score: 2.9AV:A/AC:M/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.08%• Percentile: 25%

Techniques & Countermeasures

  • CWE-290•Authentication Bypass by Spoofing

    This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

Affected Systems

  • fedoraproject•fedora

    33

  • netapp•active_iq_unified_manager

    na

  • netapp•cloud_backup

    na

  • systemd_project•systemd

    245

References (7)