CVE-2020-13529
MEDIUM 6.1EPSS 1.4%
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.
- Affected
- Systemd
- CVSS v3.1 NVD
- 6.1 MEDIUM
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H - CVSS v3.0 CISCO
- 6.1 MEDIUM
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H - CVSS v2.0 NVD
- 2.9 LOW
AV:A/AC:M/Au:N/C:N/I:N/A:P - EPSS
- 1.43% chance of exploitation in the next 30 days, 73rd percentile
- Published
- 2021-05-10
- Updated
- 2026-10-14
Proof-of-concept exploits (1)
Security advisories
- http://www.openwall.com/lists/oss-security/2021/08/04/2
- http://www.openwall.com/lists/oss-security/2021/08/17/3
- http://www.openwall.com/lists/oss-security/2021/09/07/3
- https://security.gentoo.org/glsa/202107-48
- https://security.netapp.com/advisory/ntap-20210625-0005