Is CVE-2016-4072 in the CISA KEV catalog?

No. CVE-2016-4072 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-4072?

CVE-2016-4072 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2016-4072?

CVE-2016-4072 has an EPSS score of 5.93% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-4072?

Upgrade libapache2-mod-php5 on ubuntu 14.04 to 5.5.9+dfsg-1ubuntu4.17 or later. Fixes are available for 10 affected products.

CVE & CISA-KEV Catalog

CVE-2016-4072

CRITICALEPSS 92th pctl

9.8

CVSS v3

NVD

Description

The Phar extension in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to execute arbitrary code via a crafted filename, as demonstrated by mishandling of \0 characters by the phar_analyze_path function in ext/phar/phar.c.

CWE-20Improper Input Validation

How to fix

Remediation Available

libapache2-mod-php5Ubuntu

Fixed in:5.5.9+dfsg-1ubuntu4.17USN-2984-1

libapache2-mod-php7.0Ubuntu

Fixed in:7.0.4-7ubuntu2.1USN-2984-1

php5Ubuntu

Fixed in:5.5.9+dfsg-1ubuntu4.17USN-2984-1

php5-cgiUbuntu

Fixed in:5.5.9+dfsg-1ubuntu4.17USN-2984-1

php5-cliUbuntu

Fixed in:5.5.9+dfsg-1ubuntu4.17USN-2984-1

php5-fpmUbuntu

Fixed in:5.5.9+dfsg-1ubuntu4.17USN-2984-1

php7.0Ubuntu

Fixed in:7.0.4-7ubuntu2.1USN-2984-1

php7.0-cgiUbuntu

Fixed in:7.0.4-7ubuntu2.1USN-2984-1

php7.0-cliUbuntu

Fixed in:7.0.4-7ubuntu2.1USN-2984-1

php7.0-fpmUbuntu

Fixed in:7.0.4-7ubuntu2.1USN-2984-1

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

5.93%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Other references17

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

Embed a live status badge for CVE-2016-4072

Markdown

[![CVE-2016-4072](https://tridentstack.com/cve/badge/CVE-2016-4072.svg)](https://tridentstack.com/cve/CVE-2016-4072)

HTML

<a href="https://tridentstack.com/cve/CVE-2016-4072"><img src="https://tridentstack.com/cve/badge/CVE-2016-4072.svg" alt="CVE-2016-4072"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2026-05-06.