Overview
- 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.
- Source
- talos-cna@cisco.com
- NVD status
- Modified
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 6.1
- Impact score
- 4
- Exploitability score
- 1.6
- Vector string
- CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
- Severity
- MEDIUM
CVSS 3.0
- Type
- Secondary
- Base score
- 6.1
- Impact score
- 4
- Exploitability score
- 1.6
- Vector string
- CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 2.9
- Impact score
- 2.9
- Exploitability score
- 5.5
- Vector string
- AV:A/AC:M/Au:N/C:N/I:N/A:P
Social media
- Hype score
- Not currently trending
Configurations
[ { "nodes": [ { "negate": false, "cpeMatch": [ { "criteria": "cpe:2.3:a:systemd_project:systemd:245:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1E07E1BF-F8B6-4BA0-9DEE-6619C666CB94" } ], "operator": "OR" } ] }, { "nodes": [ { "negate": false, "cpeMatch": [ { "criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194" } ], "operator": "OR" } ] }, { "nodes": [ { "negate": false, "cpeMatch": [ { "criteria": "cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vsphere:*:*", "vulnerable": true, "matchCriteriaId": "E8F29E19-3A64-4426-A2AA-F169440267CC" }, { "criteria": "cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5C2089EE-5D7F-47EC-8EA5-0F69790564C4" } ], "operator": "OR" } ] } ]