CVE-2017-9801

high Apache
CVSS v3 Base Score
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS Score
1.3%
Exploitation probability in 30 days
Top 20% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
High
Availability
None
Published: August 7, 2017 (3202 days ago)
Last Modified: May 13, 2026
Vendor: Apache
Source: NVD

Description

When a call-site passes a subject for an email that contains line-breaks in Apache Commons Email 1.0 through 1.4, the caller can add arbitrary SMTP headers.

CWE

CWE-20

Affected Products

apache commons email

References