Is CVE-2019-12739 in the CISA KEV catalog?

No. CVE-2019-12739 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-12739?

CVE-2019-12739 has a CVSS v3 base score of 9.0 (CRITICAL).

What is the EPSS score for CVE-2019-12739?

CVE-2019-12739 has an EPSS score of 2.56% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-12739?

Upgrade extract to 1.2.0 or later.

CVE & CISA-KEV Catalog

CVE-2019-12739

CRITICALEPSS 83th pctl

9.0

CVSS v3

NVD

Description

lib/Controller/ExtractionController.php in the Extract add-on before 1.2.0 for Nextcloud allows Remote Code Execution via shell metacharacters in a RAR filename via ajax/extractRar.php (nameOfFile and directory parameters).

CWE-78OS Command Injection

How to fix

Remediation Available

extractNVD

Affected:< 1.2.0Fixed in:1.2.0CVE-2019-12739derived 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 RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.56%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Exploit1

hackerone.com

Other references1

secsignal.org

Related Vulnerabilities

Other CWE-78 (OS Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2014-6271	Critical	9.8	100%	KEV	Fix
CVE-2019-16920	Critical	9.8	100%	KEV	-
CVE-2022-44877	Critical	9.8	100%	KEV	Fix
CVE-2020-8515	Critical	9.8	100%	KEV	-
CVE-2020-9054	Critical	9.8	100%	KEV	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.