CVE-2020-13529

6.1 MEDIUM 1% exploit odds No fix listed

What it is

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.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. High risk of service disruption.
Exploit odds: 1.4% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2021-05-10 16:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-14 10:17 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.4% in the next 30 days (EPSS).
Severity: 6.1 MEDIUM (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2021-05-10 16:15 UTC
Last modified: 2026-10-14 10:17 UTC
Exploit probability: 1.4% · EPSS, next 30 days
Weakness: CWE-290
Record status: Modified

Affected

Systemd Project Systemd 245
Fedoraproject Fedora 33
Netapp Active Iq Unified Manager
Netapp Cloud Backup

Attack profile CVSS 3.1 · 6.1

Attack vector: Adjacent network
Complexity: High
Privileges needed: None
User interaction: None
Scope: Changed
Confidentiality: None
Integrity: None
Availability: High

Raw vector

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

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2020-13529.md and follow it. Check whether this project is affected by CVE-2020-13529. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record