CVE-2016-10034

highpriority · attend · 62EPSS 0.384 · 99 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

4 exploits · PoC

Likely / severe?

38.4% (99th) EPSS

CVSS 7.5 · high

Is it mine?

15 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

The setFrom function in the Sendmail adapter in the zend-mail component before 2.4.11, 2.5.x, 2.6.x, and 2.7.x before 2.7.2, and Zend Framework before 2.4.11 might allow remote attackers to pass extra parameters to the mail command and consequently execute arbitrary code via a \" (backslash double quote) in a crafted e-mail address.

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

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-77USprimaryCWE-77US

exploits (4)

Public proof-of-concept and weaponised exploit code.

EDB-40979Zend Framework / zend-mail < 2.4.11 - Remote Code ExecutionPoC · exploit_db
EDB-40986PHPMailer < 5.2.20 / SwiftMailer < 5.4.5-DEV / Zend Framework / zend-mail < 2.4.11 - 'AIO' 'PwnScriptum' Remote Code ExecutionPoC · exploit_db
EDB-42221PHPMailer < 5.2.20 with Exim MTA - Remote Code ExecutionPoC · exploit_db
heikipikker/exploit-CVE-2016-10034PHPMailer < 5.2.18 Remote Code ExecutionPoC · poc_in_github

affected products (15)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
zend zend framework≤ 2.4.10nvdUScpe:2.3:a:zend:zend_framework:*:*:*:*:*:*:*:*
zend zend-mail≤ 2.4.10nvdUScpe:2.3:a:zend:zend-mail:*:*:*:*:*:*:*:*
zend zend-mail= 2.5.0nvdUScpe:2.3:a:zend:zend-mail:*:*:*:*:*:*:*:*
zend zend-mail= 2.5.1nvdUScpe:2.3:a:zend:zend-mail:*:*:*:*:*:*:*:*
zend zend-mail= 2.5.2nvdUScpe:2.3:a:zend:zend-mail:*:*:*:*:*:*:*:*
zend zend-mail= 2.6.0nvdUScpe:2.3:a:zend:zend-mail:*:*:*:*:*:*:*:*
zend zend-mail= 2.6.1nvdUScpe:2.3:a:zend:zend-mail:*:*:*:*:*:*:*:*
zend zend-mail= 2.6.2nvdUScpe:2.3:a:zend:zend-mail:*:*:*:*:*:*:*:*
zend zend-mail= 2.7.0nvdUScpe:2.3:a:zend:zend-mail:*:*:*:*:*:*:*:*
zend zend-mail= 2.7.1nvdUScpe:2.3:a:zend:zend-mail:*:*:*:*:*:*:*:*
Packagist zendframework/zend-mail< 2.4.11osvUSpkg:composer/zendframework/zend-mail
Packagist zendframework/zend-mail2.5 → 2.5.2osvUSpkg:composer/zendframework/zend-mail
Packagist zendframework/zend-mail2.6 → 2.6.2osvUSpkg:composer/zendframework/zend-mail
Packagist zendframework/zend-mail2.7 → 2.7.2osvUSpkg:composer/zendframework/zend-mail

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-r9mw-gwx9-v3h5zend-mail remote code execution via Sendmail adapter2022-05-14ghsa · osvUS
The setFrom function in the Sendmail adapter in the zend-mail component before 2.4.11, 2.5.x, 2.6.x, and 2.7.x before 2.7.2, and Zend Framework before 2.4.11 might allow remote attackers to pass extra parameters to the mail command and consequently execute arbitrary code via a \" (backslash double quote) in a crafted e-mail address.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2016-12-30modified 2026-06-17

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+4594 more

references (19)

External citations — patches, advisories, analysis.

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