CVE-2020-8284

Curl vulnerability

CVSS

3.7

EPSS

3.9%

EPSS pct

89th

Exploited

No known

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.

Affected vendor

Haxx

Affected product

Curl

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness type (CWE)

CWE-200 — Exposure of Sensitive Information

Published

2020-12-14

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to confidentiality.

Its EPSS score of 3.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2020-8284

Confirm whether Haxx Curl is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2020-8284.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-8284

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-8284 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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