CVE-2021-40110

Description

In Apache James, using Jazzer fuzzer, we identified that an IMAP user can craft IMAP LIST commands to orchestrate a Denial Of Service using a vulnerable Regular expression. This affected Apache James prior to 3.6.1 We recommend upgrading to Apache James 3.6.1 or higher , which enforce the use of RE2J regular expression engine to execute regex in linear time without back-tracking.

CVSS Version 3.1

nvd

CVE ID: CVE-2021-40110
Base Score: 7.5
Base Severity: HIGH
Vector String:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9

CVSS Version 2.0

nvd

CVE ID: CVE-2021-40110
Base Score: 5.0
Base Severity: MEDIUM
Vector String:AV:N/AC:L/Au:N/C:N/I:N/A:P

Refrence: NVDMITRE