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CVE-2016-4071

Published: May 20, 2016Updated: May 6, 2026 Sources: CVE List NVD BDUCWE-20
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
19.5%
Top 3.0%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available

Description

Format string vulnerability in the php_snmp_error function in ext/snmp/snmp.c 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 format string specifiers in an SNMP::get call.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-20

Affected Products

n/an/a
phpphp
Dev Tool
OSS Libraries / generic-library
mac os xapple
On-premOS
Operating Systems / unix-bsd
OS XApple Inc.
On-premOS
Operating Systems / mobile-os
PHPPHP Group
LibraryLibrary
OSS Libraries
phposs-projectUSOSS Librariesaka php language, pecl, pear
applecommercialUSMobile Appsaka apple inc., apple computer
apple inc.commercialUSMobile Appsaka apple
php grouposs-projectOSS Librariesaka php, pear

Attack Graph

Products CVE Techniques Tactics

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Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

http://www.ubuntu.com/usn/USN-2952-1
ubuntu.com
https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=6e25966544fb1d2f3d7596e060ce9c9269bbdcf8
git.php.net
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
h20566.www2.hpe.com
and 23 more references View all →

Timeline

Published
May 20, 2016
Last Updated
May 6, 2026

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