Is CVE-2019-20919 in the CISA KEV catalog?

No. CVE-2019-20919 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-20919?

CVE-2019-20919 has a CVSS v3 base score of 4.7 (MEDIUM).

What is the EPSS score for CVE-2019-20919?

CVE-2019-20919 has an EPSS score of 0.51% (39th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-20919?

Upgrade libdbi-perl on debian 11 to 1.643-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2019-20919

MEDIUM

4.7

CVSS v3

NVD

Description

An issue was discovered in the DBI module before 1.643 for Perl. The hv_fetch() documentation requires checking for NULL and the code does that. But, shortly thereafter, it calls SvOK(profile), causing a NULL pointer dereference.

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

libdbi-perlDebian

Fixed in:1.643-1CVE-2019-20919

libdbi-perlUbuntu

Fixed in:1.630-1ubuntu0.1~esm5USN-4534-1

Fixed in:1.634-1ubuntu0.2USN-4534-1

Fixed in:1.640-1ubuntu0.2USN-4534-1

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 VectorLocal

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.51%probability of exploitation in 30 days

39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory5

Other references1

lists.fedoraproject.org

Related Vulnerabilities

Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-21758	High	7.5	92%	-	Fix
CVE-2023-21547	High	7.5	88%	-	Fix
CVE-2014-3470	Medium	4.3	86%	-	Fix
CVE-2021-44224	High	8.2	82%	-	Fix
CVE-2016-0742	High	7.5	82%	-	Fix
CVE-2009-1386	Medium	5.0	80%	-	Fix

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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.