Vulnerability Details : CVE-2021-40110
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.
Vulnerability category: Denial of service
Products affected by CVE-2021-40110
- cpe:2.3:a:apache:james:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-40110
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 55 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-40110
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
References for CVE-2021-40110
-
https://www.openwall.com/lists/oss-security/2022/01/04/2
oss-security - CVE-2021-40110: Apache James IMAP vulnerable to a ReDoSMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2022/01/04/2
oss-security - CVE-2021-40110: Apache James IMAP vulnerable to a ReDoSMailing List;Third Party Advisory
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