Is CVE-2019-9893 in the CISA KEV catalog?

No. CVE-2019-9893 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-9893?

CVE-2019-9893 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2019-9893?

CVE-2019-9893 has an EPSS score of 3.04% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-9893?

Upgrade libseccomp on debian 11 to 2.4.1-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2019-9893

CRITICALEPSS 86th pctl

9.8

CVSS v3

NVD

Description

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.

How to fix

Remediation Available

libseccompDebian

Fixed in:2.4.1-1CVE-2019-9893

libseccompUbuntu

Fixed in:2.4.1-0ubuntu0.14.04.2USN-4001-2

Fixed in:2.4.1-0ubuntu0.16.04.2USN-4001-1

Fixed in:2.4.1-0ubuntu0.18.04.2USN-4001-1

libseccomp2Ubuntu

Fixed in:2.4.1-0ubuntu0.14.04.2USN-4001-2

Fixed in:2.4.1-0ubuntu0.16.04.2USN-4001-1

Fixed in:2.4.1-0ubuntu0.18.04.2USN-4001-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

3.04%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Patch2

Other references6

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.