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CVE-2020-13529 Systemd

Affected softwareSystemd
Severity6.1 Medium CVSS 3.1 3 scores
WeaknessCWE-290
Published10 May 2021
Updated14 Oct 2026

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.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 5 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC none indexed
  • EPSS 1.4% chance in 30 days

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review automated Upstream data
  • Record active
Decided by The only affected product being a sealed appliance image, where Java runs but no -javaagent can be attached
Finding This CVE names only products the Waratek agent cannot be installed into (netapp/active_iq_unified_manager, netapp/cloud_backup). They ship as sealed appliance images or as native code with no application JVM, so there is no start-up line to add -javaagent to. The vulnerability may well be a Java one; it is permanently out of ARMR's reach rather than outside its subject.

CVSS

6.1 MEDIUM v3.1 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H 3 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 6.1 MEDIUM CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H NVD Primary published
CVSS 3.0 6.1 MEDIUM CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H talos-cna@cisco.com Secondary
CVSS 2.0 2.9 none AV:A/AC:M/Au:N/C:N/I:N/A:P NVD Primary

Affected software and releases

Products and versions

4 products, 4 version entries
SourceVendorProductSchemeAffected versions
nvd fedoraproject fedora generic 33
nvd netapp active iq unified manager generic any version
nvd netapp cloud backup generic any version
nvd systemd project systemd generic 245

References

URLTags
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://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
https://cert-portal.siemens.com/productcert/html/ssa-398330.html

Timeline

Published2021-05-10By the CVE Program.
NVD record modified2026-10-14NVD's own last-modified date for this record.