CVE-2020-8284

3.7 LOW
Published: December 14, 2020 Modified: April 16, 2026
View on NVD

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
Source: support@hackerone.com
Patch Third Party Advisory
https://curl.se/docs/CVE-2020-8284.html
Source: support@hackerone.com
Vendor Advisory
https://hackerone.com/reports/1040166
Source: support@hackerone.com
Permissions Required
https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html
Source: support@hackerone.com
Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/
Source: support@hackerone.com
Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/
Source: support@hackerone.com
Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202012-14
Source: support@hackerone.com
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210122-0007/
Source: support@hackerone.com
Third Party Advisory
https://support.apple.com/kb/HT212325
Source: support@hackerone.com
Third Party Advisory
https://support.apple.com/kb/HT212326
Source: support@hackerone.com
Third Party Advisory
https://support.apple.com/kb/HT212327
Source: support@hackerone.com
Third Party Advisory
https://www.debian.org/security/2021/dsa-4881
Source: support@hackerone.com
Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html
Source: support@hackerone.com
Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html
Source: support@hackerone.com
Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html
Source: support@hackerone.com
Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html
Source: support@hackerone.com
Patch Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://curl.se/docs/CVE-2020-8284.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://hackerone.com/reports/1040166
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions Required
https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202012-14
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210122-0007/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://support.apple.com/kb/HT212325
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://support.apple.com/kb/HT212326
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://support.apple.com/kb/HT212327
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.debian.org/security/2021/dsa-4881
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory

32 reference(s) from NVD

Quick Stats

CVSS v3 Score
3.7 / 10.0
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-200

Affected Vendors

netapp siemens fujitsu haxx splunk fedoraproject oracle apple debian

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