THREATPORT/VULNERABILITY/CVE-2019-9893
CRITICAL SEVERITY

CVE-2019-9893

Libseccomp vulnerability

CVSS
9.8
EPSS
3.0%
EPSS pct
86th
Exploited
No known
libseccomp before 2.4.0 did not correctly generate 64-bit syscall argument comparisons using the arithmetic operators (LT, GT, LE, GE), which might able to lead to bypassing seccomp filters and potential privilege escalations.
Affected vendor
Libseccomp Project
Affected product
Libseccomp
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2019-03-21

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 confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2019-9893

  • Confirm whether Libseccomp Project Libseccomp is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-9893.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-9893

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-9893 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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