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CWE

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CVE-2020-8284

Published: Dec 14, 2020

Modified: Apr 16, 2026

PUBLISHED

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.

Vendor	Product	Versions
n/a	https://github.com/curl/curl	affected `7.73.0 and earlier`

Weaknesses (CWE)

References

https://hackerone.com/reports/1040166

x_refsource_MISC

https://curl.se/docs/CVE-2020-8284.html

x_refsource_MISC

FEDORA-2020-ceaf490686

vendor-advisory

x_refsource_FEDORA

[debian-lts-announce] 20201219 [SECURITY] [DLA 2500-1] curl security update

mailing-list

x_refsource_MLIST

FEDORA-2020-7ab62c73bc

vendor-advisory

x_refsource_FEDORA

vendor-advisory

x_refsource_GENTOO

vendor-advisory

x_refsource_DEBIAN

https://www.oracle.com/security-alerts/cpuApr2021.html

x_refsource_MISC

https://security.netapp.com/advisory/ntap-20210122-0007/

x_refsource_CONFIRM

https://support.apple.com/kb/HT212325

x_refsource_CONFIRM

https://support.apple.com/kb/HT212326

x_refsource_CONFIRM

https://support.apple.com/kb/HT212327

x_refsource_CONFIRM

https://www.oracle.com//security-alerts/cpujul2021.html

x_refsource_MISC

https://www.oracle.com/security-alerts/cpujan2022.html

x_refsource_MISC

https://www.oracle.com/security-alerts/cpuapr2022.html

x_refsource_MISC

https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf

x_refsource_CONFIRM

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