THREATPORT/VULNERABILITY/CVE-2019-18874
HIGH SEVERITY

CVE-2019-18874

Psutil vulnerability

CVSS
7.5
EPSS
3.5%
EPSS pct
88th
Exploited
No known
psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.
Affected vendor
Psutil Project
Affected product
Psutil
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type (CWE)
Published
2019-11-12

Risk analysis

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

Its EPSS score of 3.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2019-18874

  • Confirm whether Psutil Project Psutil is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-18874.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-18874

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-18874 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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