CVE-2020-13529

MEDIUM

systemd - Denial of Service via DHCP FORCERENEW Packet Spoofing

Title source: llm
STIX 2.1

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.

References (7)

Core 7
Core References
Exploit, Third Party Advisory x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202107-48
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/08/04/2
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/08/17/3
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/09/07/3
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210625-0005/

Scores

CVSS v3 6.1
EPSS 0.0008
EPSS Percentile 24.5%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

Details

CWE
CWE-290
Status published
Products (4)
fedoraproject/fedora 33
netapp/active_iq_unified_manager
netapp/cloud_backup
systemd_project/systemd 245
Published May 10, 2021
Tracked Since Feb 18, 2026