Low 3.7Published Dec 14, 2020

CVE-2020-8284A 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 ser…

Updated under an hour ago (2026-10-19 08:00 UTC)

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It affects Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP and 24 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP

Exploited in the last 30 days

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: 3.7 LOW (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-200
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: hackerone
NVD analysis: Modified
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 14, 2026

Affected products

Affected products

Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
haxx curl haxx:curl	through 7.73.0	NVD
fedoraproject fedora fedoraproject:fedora	32; 33	NVD
debian debian_linux debian:debian_linux	9.0; 10.0	NVD
netapp clustered_data_ontap netapp:clustered_data_ontap	all versions	NVD
netapp hci_management_node netapp:hci_management_node	all versions	NVD
netapp solidfire netapp:solidfire	all versions	NVD
netapp hci_storage_node netapp:hci_storage_node	all versions	NVD
netapp hci_bootstrap_os netapp:hci_bootstrap_os	all versions	NVD
apple mac_os_x apple:mac_os_x	from 10.14.0 before 10.14.6; from 10.15 before 10.15.7; 10.14.6; 10.14.6; 10.14.6; 10.14.6; 10.14.6; 10.14.6; and 18 more ranges	NVD
apple macos apple:macos	11.0.1; 11.1; 11.2	NVD
oracle communications_billing_and_revenue_management oracle:communications_billing_and_revenue_management	12.0.0.3.0	NVD
oracle communications_cloud_native_core_policy oracle:communications_cloud_native_core_policy	1.14.0	NVD
oracle essbase oracle:essbase	21.2	NVD
oracle peoplesoft_enterprise_peopletools oracle:peoplesoft_enterprise_peopletools	8.58	NVD
fujitsu m10-1_firmware fujitsu:m10-1_firmware	before xcp2410; before xcp3110	NVD
fujitsu m10-4_firmware fujitsu:m10-4_firmware	before xcp2410; before xcp3110	NVD
fujitsu m10-4s_firmware fujitsu:m10-4s_firmware	before xcp2410; before xcp3110	NVD
fujitsu m12-1_firmware fujitsu:m12-1_firmware	before xcp2410; before xcp3110	NVD
fujitsu m12-2_firmware fujitsu:m12-2_firmware	before xcp2410; before xcp3110	NVD
fujitsu m12-2s_firmware fujitsu:m12-2s_firmware	before xcp2410; before xcp3110	NVD
siemens sinec_infrastructure_network_services siemens:sinec_infrastructure_network_services	before 1.0.1.1	NVD
splunk universal_forwarder splunk:universal_forwarder	from 8.2.0 before 8.2.12; from 9.0.0 before 9.0.6; 9.1.0	NVD

References

https://hackerone.com/reports/1040166x-refsource-misc, permissions-required
https://curl.se/docs/CVE-2020-8284.htmlx-refsource-misc, vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/vendor-advisory, x-refsource-fedora, mailing-list, third-party-advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00029.htmlmailing-list, x-refsource-mlist, third-party-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/vendor-advisory, x-refsource-fedora, mailing-list, third-party-advisory
https://security.gentoo.org/glsa/202012-14vendor-advisory, x-refsource-gentoo, third-party-advisory
https://www.debian.org/security/2021/dsa-4881vendor-advisory, x-refsource-debian, third-party-advisory
https://www.oracle.com/security-alerts/cpuApr2021.htmlx-refsource-misc, patch, third-party-advisory
https://security.netapp.com/advisory/ntap-20210122-0007/x-refsource-confirm, third-party-advisory
https://support.apple.com/kb/HT212325x-refsource-confirm, third-party-advisory
https://support.apple.com/kb/HT212326x-refsource-confirm, third-party-advisory
https://support.apple.com/kb/HT212327x-refsource-confirm, third-party-advisory
https://www.oracle.com//security-alerts/cpujul2021.htmlx-refsource-misc, patch, third-party-advisory
https://www.oracle.com/security-alerts/cpujan2022.htmlx-refsource-misc, patch, third-party-advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlx-refsource-misc, patch, third-party-advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfx-refsource-confirm, patch, third-party-advisory
https://cert-portal.siemens.com/productcert/html/ssa-389290.html
https://cert-portal.siemens.com/productcert/html/ssa-398330.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.