CVE-2020-13529

Public Exploit

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.06%
Vendor Advisory gentoo.org Vendor Advisory fedoraproject.org
Affected: n/a Systemd
Published at:
Updated at:

References

Link Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142 third party advisory exploit
https://security.gentoo.org/glsa/202107-48 third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/ vendor advisory
http://www.openwall.com/lists/oss-security/2021/08/04/2 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2021/08/17/3 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2021/09/07/3 third party advisory mailing list
https://security.netapp.com/advisory/ntap-20210625-0005/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-13529?
CVE-2020-13529 has been scored as a medium severity vulnerability.
How to fix CVE-2020-13529?
To fix CVE-2020-13529, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-13529 being actively exploited in the wild?
It is possible that CVE-2020-13529 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-13529?
CVE-2020-13529 affects n/a Systemd.
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