Is CVE-2019-14431 in the CISA KEV catalog?

No. CVE-2019-14431 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-14431?

CVE-2019-14431 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2019-14431?

CVE-2019-14431 has an EPSS score of 3.63% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2019-14431?

No published fix for CVE-2019-14431 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2019-14431

CRITICALEPSS 88th pctl

9.8

CVSS v3

NVD

Description

In MatrixSSL 3.8.3 Open through 4.2.1 Open, the DTLS server mishandles incoming network messages leading to a heap-based buffer overflow of up to 256 bytes and possible Remote Code Execution in parseSSLHandshake in sslDecode.c. During processing of a crafted packet, the server mishandles the fragment length value provided in the DTLS message.

CWE-755 CWE-787Out-of-bounds Write

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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

3.63%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Exploit1

github.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.