What is CVE-2021-40111?

CVE-2021-40111 is a medium-severity vulnerability in Apache James, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2022-01-04.

How severe is CVE-2021-40111?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Apache James

CVE-2021-40111

In Apache James, while fuzzing with Jazzer the IMAP parsing stack, we discover that crafted APPEND and STATUS IMAP command could be used to trigger infinite loops resulting in expensive CPU computations and OutOfMemory exceptions. This can…

EPSS: 0.021 (79.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Apache James
Apache Software Foundation James — versions Apache James

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

security@apache.org (Mailing List, Third Party Advisory, x_refsource_MISC)
security@apache.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-40111?: CVE-2021-40111 is a medium-severity vulnerability in Apache James, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2022-01-04.
How severe is CVE-2021-40111?: Medium severity. CVSS v3 base score is 6.5 out of 10.