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CVE-2020-8284

Published: August 31, 2023Last modified: December 15, 2025

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.

Severity score breakdown

ParameterValue
Base score3.7
Attack VectorNETWORK
Attack complexityHIGH
Privileges requiredNONE
User interactionNONE
ScopeUNCHANGED
ConfidentialityLOW
Integrity impactNONE
Availability impactNONE
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Status

ProductReleasePackageStatus
Alpaquita Linux23 LTScurlNot affected (8.2.1-r0)
StreamcurlNot affected (8.2.1-r0)
Hardened ContainersStreamcurlNot affected (8.2.1-r0)

References

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