RCE in Apache James

CVE-2021-38542

Apache James prior to release 3.6.1 is vulnerable to a buffering attack relying on the use of the STARTTLS command. This can result in Man-in -the-middle command injection attacks, leading potentially to leakage of sensible information.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.023 (81.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-38542?
CVE-2021-38542 is a medium-severity vulnerability in Apache James, classified under Command Injection. CVSS score: 5.9/10. Published 2022-01-04.
How severe is CVE-2021-38542?
Medium severity. CVSS v3 base score is 5.9 out of 10.