What’s Vulnerable › Vulnerabilities

CVE-2016-10074

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 43.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-12-30 · updated 2026-06-17
• Weakness: CWE-77

Description

The mail transport (aka Swift_Transport_MailTransport) in Swift Mailer before 5.4.5 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 in the (1) From, (2) ReturnPath, or (3) Sender header.

Affected products

• Swiftmailer: through 5.4.4

References

• http://packetstormsecurity.com/files/140290/SwiftMailer-Remote-Code-Execution.html
• http://seclists.org/fulldisclosure/2016/Dec/86
• http://www.debian.org/security/2017/dsa-3769
• http://www.securityfocus.com/bid/95140
• https://github.com/swiftmailer/swiftmailer/blob/5.x/CHANGES
• https://legalhackers.com/advisories/SwiftMailer-Exploit-Remote-Code-Exec-CVE-2016-10074-Vuln.html
• https://www.exploit-db.com/exploits/40972/
• https://www.exploit-db.com/exploits/40986/
• https://www.exploit-db.com/exploits/42221/
• http://packetstormsecurity.com/files/140290/SwiftMailer-Remote-Code-Execution.html
• http://seclists.org/fulldisclosure/2016/Dec/86
• http://www.debian.org/security/2017/dsa-3769

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