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.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-2500-1 curl security update
Debian DLA Debian DLA DLA-3205-1 inetutils security update
Debian DSA Debian DSA DSA-4881-1 curl security update
Ubuntu USN Ubuntu USN USN-4665-1 curl vulnerabilities
Ubuntu USN Ubuntu USN USN-4665-2 curl vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00067}

epss

{'score': 0.00069}


cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2024-08-04T09:56:28.316Z

Reserved: 2020-01-28T00:00:00

Link: CVE-2020-8284

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-12-14T20:15:13.903

Modified: 2024-11-21T05:38:39.193

Link: CVE-2020-8284

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-12-09T08:00:00Z

Links: CVE-2020-8284 - Bugzilla

cve-icon OpenCVE Enrichment

No data.