SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-9801

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.

HIGH 7.5EPSS 6.04%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (6.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
6.04% probability · 93th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
apache/commons email
Source
security@apache.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.