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.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-2500-1 | curl security update |
Debian DLA |
DLA-3205-1 | inetutils security update |
Debian DSA |
DSA-4881-1 | curl security update |
Ubuntu USN |
USN-4665-1 | curl vulnerabilities |
Ubuntu USN |
USN-4665-2 | curl vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Thu, 16 Apr 2026 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 16 Jul 2025 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
epss
|
epss
|
Projects
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Status: PUBLISHED
Assigner: hackerone
Published:
Updated: 2026-04-16T13:59:17.253Z
Reserved: 2020-01-28T00:00:00.000Z
Link: CVE-2020-8284
Updated: 2024-08-04T09:56:28.316Z
Status : Modified
Published: 2020-12-14T20:15:13.903
Modified: 2026-04-16T15:16:42.530
Link: CVE-2020-8284
OpenCVE Enrichment
No data.
Weaknesses
Debian DLA
Debian DSA
Ubuntu USN