CVE-2023-51747: high-severity vulnerability in Apache James server
SMTP smuggling in Apache James
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 1.0%
Apache James prior to versions 3.8.1 and 3.7.5 is vulnerable to SMTP smuggling.
A lenient behaviour in line delimiter handling might create a difference of interpretation between the sender and the receiver which can be exploited by an attacker to forge an SMTP envelop, allowing for instance to bypass SPF checks.
The patch implies enforcement of CRLF as a line delimiter as part of the DATA transaction.
We recommend James users to upgrade to non vulnerable versions.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
Affected products
Apache Software Foundation · Apache James serverRelated CVEs — Apache James server
In the same product, most dangerous first.
CVE-2023-51518CRITICALApache James server: Privilege escalation via JMX pre-authentication deserialisationEPSS 1.2%CVE-2024-37358HIGHApache James: denial of service through the use of IMAP literalsEPSS 0.9%CVE-2024-45626MEDIUMApache James: denial of service through JMAP HTML to text conversionEPSS 0.8%CVE-2023-26269HIGHApache James server: Privilege escalation through unauthenticated JMXEPSS 0.7%CVE-2022-45935MEDIUMApache James server: Temporary File Information DisclosureEPSS 0.4%