THREATPORT/VULNERABILITY/CVE-2018-19788
HIGH SEVERITY

CVE-2018-19788

Polkit vulnerability

CVSS
8.8
EPSS
11.5%
EPSS pct
96th
Exploited
No known
A flaw was found in PolicyKit (aka polkit) 0.115 that allows a user with a uid greater than INT_MAX to successfully execute any systemctl command.
Affected vendor
Polkit Project
Affected product
Polkit
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-20 — Improper Input Validation
Published
2018-12-03

Risk analysis

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

Its EPSS score of 11.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2018-19788

  • Confirm whether Polkit Project Polkit is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-19788.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-19788

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