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VULNERABILITIES

CVE-2021-40111 Details

Description

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 be used for a Denial Of Service attack. The IMAP user needs to be authenticated to exploit this vulnerability. This affected Apache James prior to version 3.6.1. This vulnerability had been patched in Apache James 3.6.1 and higher. We recommend the upgrade.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.openwall.com/lists/oss-security/2022/01/04/3 CVEMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2022/01/04/3 CVEMailing ListThird Party Advisory
https://www.openwall.com/lists/oss-security/2022/01/04/3 [email protected]Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2022/01/04/3 [email protected]Mailing ListThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')[email protected]

Affected Products

ProductVersions
apache james
< 3.6.1

CPE

  • cpe:2.3:a:apache:james:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-40111
NVD Published Date:
Jan 4, 2022
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-40111 Details - Not Deferred