The send function in the ezcMailMtaTransport class in Zeta Components Mail before 1.8.2…
Priority MEDIUM 48CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-94.
Summary
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."
Why it matters now
EPSS 0.10652 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed zetacomponents/mail (Packagist): 1.8.2
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | zetacomponents/mail (Packagist) | before 1.8.2 | 1.8.2 | Patch available | GHSA-hgr8-g756-vmg9 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- zetacomponents/mail (Packagist) Vendor— Affected before 1.8.2 Fixed in 1.8.2 Patch available GHSA-hgr8-g756-vmg9
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:zetacomponents:mail:*:*:*:*:*:*:*:* | before 1.8.2 | Vulnerable | Zetacomponents |
- cpe:2.3:a:zetacomponents:mail:*:*:*:*:*:*:*:* Versions before 1.8.2 Vulnerable ·Zetacomponents
Remediation
- Fix · GHSA-hgr8-g756-vmg9 zetacomponents/mail (Packagist) Fixed in 1.8.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2017-15806
- 2026-10-03 Alias added: GHSA-hgr8-g756-vmg9
References
Exploit 1
Advisory 5
- https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-critical-rce-vulnerability/
- https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-yuan-cheng-dai-ma-zhi-xing-lou-dong/
- https://github.com/zetacomponents/Mail/issues/58
- https://github.com/zetacomponents/Mail/releases/tag/1.8.2
- https://nvd.nist.gov/vuln/detail/CVE-2017-15806
Other 5
- https://github.com/FriendsOfPHP/security-advisories/blob/master/zetacomponents/mail/CVE-2017-15806.yaml
- https://github.com/zetacomponents/Mail
- https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-critical-rce-vulnerability
- https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-yuan-cheng-dai-ma-zhi-xing-lou-dong
- https://www.exploit-db.com/exploits/43155
Sources
- CVE-2017-15806 · CVE Program
- CVE-2017-15806 · NVD
- FIRST EPSS
- GHSA-hgr8-g756-vmg9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences