RCE in Swiftmailer

CVE-2016-10074

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 cr…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.731 (98.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-10074?
CVE-2016-10074 is a critical-severity vulnerability in Swiftmailer, classified under Command Injection. CVSS score: 9.8/10. Published 2016-12-30.
How severe is CVE-2016-10074?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-10074 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.