All vulnerabilities

Servers and applications

CVE-2020-8284

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
Low 3.7
Published
14 Dec 2020
Last changed
14 Oct 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
curlServers and applications · cpe:a:haxx:curl
  • Every version up to 7.73.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-8284
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-8284