CVE-2017-15806

Name: CVE-2017-15806
Creator: NVD / NIST
Published: 2017-11-15T16:29:00.483+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 10.65%

Last modified Jun 17, 2026

CVE-2017-15806 is a vulnerability of currently unknown severity. The send function in the ezcMailMtaTransport class in Zeta Components Mail before 1.8.2 does not properly restrict the set of characters used in the ezcMail returnPath property, which might allow remote attackers to execute arbitrary code via a crafted email address, as demonstrated by one containing "-X/path/to/wwwroot/file.php.". EPSS estimates a 10.65% chance of exploitation in the next 30 days.

Description

The send function in the ezcMailMtaTransport class in Zeta Components Mail before 1.8.2 does not properly restrict the set of characters used in the ezcMail returnPath property, which might allow remote attackers to execute arbitrary code via a crafted email address, as demonstrated by one containing "-X/path/to/wwwroot/file.php."

Metrics

EPSS Probability

10.65%

95.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Zetacomponents	Mail	< 1.8.2

References

http://www.securityfocus.com/bid/101866Third Party Advisory, VDB Entry
https://github.com/zetacomponents/Mail/issues/58Issue Tracking, Third Party Advisory
https://github.com/zetacomponents/Mail/releases/tag/1.8.2Issue Tracking, Release Notes, Third Party Advisory
https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-critical-rce-vulnerability/Issue Tracking, Third Party Advisory
https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-yuan-cheng-dai-ma-zhi-xing-lou-dong/Issue Tracking, Third Party Advisory
https://www.exploit-db.com/exploits/43155/Issue Tracking, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/101866Third Party Advisory, VDB Entry
https://github.com/zetacomponents/Mail/issues/58Issue Tracking, Third Party Advisory
https://github.com/zetacomponents/Mail/releases/tag/1.8.2Issue Tracking, Release Notes, Third Party Advisory
https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-critical-rce-vulnerability/Issue Tracking, Third Party Advisory
https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-yuan-cheng-dai-ma-zhi-xing-lou-dong/Issue Tracking, Third Party Advisory
https://www.exploit-db.com/exploits/43155/Issue Tracking, Third Party Advisory, VDB Entry

Timeline

Published: Nov 15, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-15806?

How severe is CVE-2017-15806?

Severity scoring for CVE-2017-15806 is pending analysis. The EPSS model estimates a 10.65% probability of exploitation in the next 30 days.

How do I fix CVE-2017-15806?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-15806?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST