CVE-2016-4071

highpriority · attend · 56EPSS 0.205 · 97 %ileexploit · PoCEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

20.5% (97th) EPSS

CVSS 7.5 · high

Is it mine?

64 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Psecondary · FSTEC (BDU) RU

v3.09.3criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-20US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-39645PHP 5.5.33/7.0.4 - SNMP Format StringPoC · exploit_db

affected products (64)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Apple Inc. OS X≤ 10.11.3fstec_bduRU
PHP Group PHP≤ 5.5.34fstec_bduRU
PHP Group PHP5.6.0 → 5.6.20fstec_bduRU
PHP Group PHP7.0 → 7.0.5fstec_bduRU
apple mac os x≤ 10.11.4nvdUScpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
php php= 5.5.0nvdUScpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php= 5.5.1nvdUScpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php= 5.5.10nvdUScpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php= 5.5.11nvdUScpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php= 5.5.12nvdUScpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php= 5.5.13nvdUScpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php= 5.5.14nvdUScpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php= 5.5.15nvdUScpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php= 5.5.16nvdUScpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php= 5.5.17nvdUScpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php= 5.5.18nvdUScpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php= 5.5.19nvdUScpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php= 5.5.2nvdUScpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php= 5.5.20nvdUScpe:2.3:a:php:php:*:*:*:*:*:*:*:*

showing 20 of 64

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2016-05-20modified 2026-06-17

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+25171 more

references (47)

External citations — patches, advisories, analysis.

scry

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