CVE-2020-8284
LOWCVSS v3.1: 3.7 · EPSS: 0.0010 (28.3 percentile)
Source data as of:
At a glance
- Severity
- LOW
- CVSS
- 3.7 v3.1 · NVD
- EPSS
- 0.0010 (28.3 percentile) · FIRST.org
- CISA KEV
- No
- Type
- Information Exposure · NVD CWE
- Attack conditions (CVSS vector)
- NetworkNo privilegesNo user interaction · Source: NVD Vector
- Affected vendors
- fedoraproject, siemens, splunk, oracle, haxx, fujitsu, netapp, apple, debian
- Published
- 2020-12-14 · Modified: 2026-04-16
- References
- Jump to references (8)
CVSS / EPSS / KEV
Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources
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.
References
Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.
- Vendor advisory https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
- Reference https://curl.se/docs/CVE-2020-8284.html
- Reference https://hackerone.com/reports/1040166
- Distro https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html
- Distro https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/m…
- Distro https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/m…
- Distro https://security.gentoo.org/glsa/202012-14
- Distro https://security.netapp.com/advisory/ntap-20210122-0007/