Is CVE-2019-8849 in the CISA KEV catalog?

No. CVE-2019-8849 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-8849?

CVE-2019-8849 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2019-8849?

CVE-2019-8849 has an EPSS score of 2.21% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-8849?

Upgrade swiftnio ssl to 2.4.1 or later.

CVE & CISA-KEV Catalog

CVE-2019-8849

CRITICALEPSS 80th pctl

9.8

CVSS v3

NVD

Description

The issue was addressed by signaling that an executable stack is not required. This issue is fixed in SwiftNIO SSL 2.4.1. A SwiftNIO application using TLS may be able to execute arbitrary code.

How to fix

Remediation Available

swiftnio sslNVD

Affected:< 2.4.1Fixed in:2.4.1CVE-2019-8849derived from NVD

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

Exploit Intelligence

2.21%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Vendor Advisory1

support.apple.com

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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.