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CVE-2016-4071

CriticalPublished

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...

Published: May 20, 2016
Updated: Aug 6, 2024
Assigning CNA: mitre
Evidence observed: Apr 1, 2016

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.0

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

EPSS probability estimate

18.2%

Moderate · next 30 days

Percentile: 97.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

PHP 5.5.33/7.0.4 - SNMP Format StringExploit
Andrew Kramer · multiple · Apr 1, 2016

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