CVE-2020-13529

MEDIUM EPSS 69.1%
Published May 10, 20215y ago · Modified Jun 17, 20262w ago
6.1 CVSS 3.1
Medium
Find Similar
Published May 10, 2021 5y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
6.1
Exploitability
1.6
Impact
4.0
Vector string
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack Vector Adjacent
Attack Complexity High
Privileges Required None
User Interaction None
Scope Changed
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
69.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-290

Affected Products 4

VendorProductVersionRange
systemd_projectsystemd245any
fedoraprojectfedora33any
netappactive_iq_unified_manager*any
netappcloud_backup*any

References 7

  • openwall.com http://www.openwall.com/lists/oss-security/2021/08/04/2
    Mailing ListThird Party Advisory
  • openwall.com http://www.openwall.com/lists/oss-security/2021/08/17/3
    Mailing ListThird Party Advisory
  • openwall.com http://www.openwall.com/lists/oss-security/2021/09/07/3
    Mailing ListThird Party Advisory
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/
  • security.gentoo.org https://security.gentoo.org/glsa/202107-48
    Third Party Advisory
  • security.netapp.com https://security.netapp.com/advisory/ntap-20210625-0005/
    Third Party Advisory
  • talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142
    ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.