Home/CVE/An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cau
CVE

CVE-2020-13529

An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cau

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.

MEDIUM · CVSS 6.1 EPSS 0.00085
Schedule remediation
  • Public exploit or PoC is available
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-290Authentication Bypass by Spoofing
CWE-290Authentication Bypass by Spoofing
▤

Affected Products & Versions

4
systemd project systemdall versions
fedoraproject fedoraall versions
netapp active iq unified managerall versions
netapp cloud backupall versions
⚠

Public Exploits & PoCs

1
poctalosintelligence.com · TALOS-2020-1142talosintelligence.com
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumSystemd Service Creation
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · talos-cna@cisco.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 May 2021 · 04:15 PM
CVSS VectorCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
⚑

Vendor Advisories

9
suse-csafopenSUSE-SU-2024:10602-1
suse-csafopenSUSE-SU-2024:11420-1
siemens-csafSSA-398330
suse-csafopenSUSE-SU-2021:2809-1
suse-csafSUSE-SU-2021:2809-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2021/08/04/2Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2021/08/17/3Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2021/09/07/3Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/
https://security.gentoo.org/glsa/202107-48Third Party Advisory
https://security.netapp.com/advisory/ntap-20210625-0005/Third Party Advisory
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin