CVE-2021-40110— Apache James IMAP vulnerable to a ReDoS
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2021-40110
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Apache James IMAP vulnerable to a ReDoS
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache James 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache James是美国阿帕奇（Apache）基金会的一个完全用 Java 编写的开源 Smtp 和 Pop3 邮件传输代理和 Nntp 新闻服务器。 Apache James 3.6.1之前版本存在安全漏洞，攻击者可利用该漏洞使用易受攻击的正则表达式编写IMAP列表命令来组织拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache James | Apache James ~ 3.6.0 | - |
II. Public POCs for CVE-2021-40110
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-40110
请登录查看更多情报信息。
- https://www.openwall.com/lists/oss-security/2022/01/04/2x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-40110
Same Patch Batch · Apache Software Foundation · 2022-01-04 · 5 CVEs total
| CVE-2021-34797 | Apache Geode project log file redaction of sensitive information vulnerability | |
| CVE-2021-38542 | Apache James vulnerable to STARTTLS command injection (IMAP and POP3) | |
| CVE-2021-40111 | Apache James IMAP parsing Denial Of Service | |
| CVE-2021-40525 | Sieve file storage vulnerable to path traversal attacks |
IV. Related Vulnerabilities
Same product: Apache James
- CVE-2022-28220
STARTTLS command injection in Apache JAMES - CVE-2022-22931
Path traversal in Apache James 3.6.1 - CVE-2021-40525
Sieve file storage vulnerable to path traversal attacks - CVE-2021-40111
Apache James IMAP parsing Denial Of Service - CVE-2021-38542
Apache James vulnerable to STARTTLS command injection (IMAP
Same vendor: Apache Software Foundation
- CVE-2026-39816
Apache NiFi: Missing Execute Code Required Permission on Tin - CVE-2026-25199
Apache CloudStack: Proxmox Extension Allows Unauthorized Cro - CVE-2026-25077
Apache CloudStack: Unauthenticated Command Injection in Dire - CVE-2025-69233
Apache CloudStack: Domain/account resources limits not honor - CVE-2025-66467
Apache CloudStack: MinIO policy remains intact on bucket del
V. Comments for CVE-2021-40110
No comments yet