CVE-2020-8284
A malicious server can use the FTP PASV response to trick curl 7.73.0 and earlier into connecting back to a given IP address and port, and this way potentially make curl extract information about services that are otherwise private and not disclosed, for example doing port scanning and service banner extractions.
- CVSS 3.1
- 3.7
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - EPSS
- 3.9% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-25)
- CWE
- CWE-200
- Published
- Modified
- Record from
- the NVD, synced
Affected
- apple:mac_os_x
- apple:macos
- debian:debian_linux
- fedoraproject:fedora
- fujitsu:m10-1_firmware
- fujitsu:m10-4_firmware
- fujitsu:m10-4s_firmware
- fujitsu:m12-1_firmware
- fujitsu:m12-2_firmware
- fujitsu:m12-2s_firmware
- haxx:curl
- netapp:clustered_data_ontap
- netapp:hci_bootstrap_os
- netapp:hci_management_node
- netapp:hci_storage_node
- netapp:solidfire
- oracle:communications_billing_and_revenue_management
- oracle:communications_cloud_native_core_policy
- oracle:essbase
- oracle:peoplesoft_enterprise_peopletools
- siemens:sinec_infrastructure_network_services
- splunk:universal_forwarder
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
- https://curl.se/docs/CVE-2020-8284.html
- https://hackerone.com/reports/1040166
- https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/