Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2020-13529

CVE-2020-13529MEDIUM

n/a Systemd — An exploitable denial-of-service vulnerability exists in Systemd 245.

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   A   H   N   N  C  N  N  H    6.1   .0143   72.6     —

AFFECTED
  Product  Versions                                   Fixed
  Systemd  Canonical Ubuntu 20.04 LTS, Systemd 245 –  —

TIMELINE
  May 26  Reserved by talos
  May 10  Published (CNA: talos)
  Oct 14  EXPLOIT PUBLISHED — CVE-2020-13529 (Systemd). Public exploit reference added.

CWE-290 · CNA: talos · CVSS v3.1 · 8 references · NVD status: Modified

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
May 26, 2020	Reserved	Reserved by talos
May 10, 2021	Published	Published (CNA: talos)
October 14, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2020-13529 (Systemd). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	Systemd	—	Canonical Ubuntu 20.04 LTS, Systemd 245	—

Weaknesses

CWE-290

References (8)

http://www.openwall.com/lists/oss-security/2021/08/04/2 [Mailing List, Third Party Advisory]
http://www.openwall.com/lists/oss-security/2021/08/17/3 [Mailing List, Third Party Advisory]
http://www.openwall.com/lists/oss-security/2021/09/07/3 [Mailing List, Third Party Advisory]
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/
https://security.gentoo.org/glsa/202107-48 [Third Party Advisory]
https://security.netapp.com/advisory/ntap-20210625-0005/ [Third Party Advisory]
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142 [Exploit, Third Party Advisory]

Authoritative record: CVE-2020-13529 at cve.org

Weaknesses: CWE-290

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-13529 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.