Vulnerabilities

Vulnerability · CVE-2020-13529

An exploitable denial-of-service vulnerability exists in Systemd 245.

Published May 10, 2021 · catalog updated Oct 14, 2026 · systemd project

Check if you run it

No confirmed exploitation is on record for CVE-2020-13529. EPSS is 1.43%. Act only if a listed version of systemd project is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.43%
Remediation
Advisory link
Affected products
cpe fedoraproject/fedora · cpe netapp/active iq unified manager · cpe netapp/cloud backup · cpe systemd project/systemd

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe fedoraproject/fedora33
  • cpe netapp/active iq unified managerversion unspecified
  • cpe netapp/cloud backupversion unspecified
  • cpe systemd project/systemd245

How to fix CVE-2020-13529

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2020-13529. EPSS is 1.43%. Act only if a listed version of systemd project is installed.

Which versions are affected?

Compare what you have installed with systemd project/systemd 245. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-290: Authentication Bypass by Spoofing. EPSS 1.43%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 10, 2021 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2020-13529

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-13529

    30-day exploitation probability 1.4%

    first.org
  • NIST NVDVulnerability recordCVE-2020-13529

    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 reconfigu

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.