Sieve file storage vulnerable to path traversal attacks
Priority MEDIUM 46CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
Apache James ManagedSieve implementation alongside with the file storage for sieve scripts is vulnerable to path traversal, allowing reading and writing any file. This vulnerability had been patched in Apache James 3.6.1 and higher. We recommend the upgrade. Distributed and Cassandra based products are also not impacted.
Why it matters now
EPSS 0.03828 90th percentileScored 2026-11-07
Fix Fixed org.apache.james:james-server (Maven): 3.6.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apache | Apache James | Apache James – 3.6.0 | — | No fix listed | CNA |
| — | org.apache.james:james-server (Maven) | before 3.6.1 | 3.6.1 | Patch available | GHSA-c38m-7h53-g9v4 |
- Apache James VendorApache Affected Apache James – 3.6.0 Fixed in — No fix listed CNA
- org.apache.james:james-server (Maven) Vendor— Affected before 3.6.1 Fixed in 3.6.1 Patch available GHSA-c38m-7h53-g9v4
Remediation
- Fix · GHSA-c38m-7h53-g9v4 org.apache.james:james-server (Maven) Fixed in 3.6.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-40525
- 2026-10-03 Alias added: GHSA-c38m-7h53-g9v4
- 2026-10-28 EPSS moved to the 90th–95th percentile
References
Advisory 4
More Apache James vulnerabilities
- TI-2019-00201 XML external entity injection in Apache PDFBox CVSS 3.1CRITICAL 9.8
- TI-2023-28170 Apache James server: Privilege escalation via JMX pre-authentication deserialisation CVSS 3.1CRITICAL 9.8
- TI-2006-02714 The SMTP server in Apache Java Mail Enterprise Server (aka Apache James) 2.2.0 allows… CVSS 2.0HIGH 7.8
- TI-2021-17305 Apache James IMAP vulnerable to a ReDoS CVSS 3.1HIGH 7.5
- TI-2023-11431 Apache James server: Privilege escalation through unauthenticated JMX CVSS 3.1HIGH 7.8
- TI-2022-11006 STARTTLS command injection in Apache JAMES CVSS 3.1HIGH 7.5
Sources
- CVE-2021-40525 · CVE Program
- CVE-2021-40525 · NVD
- FIRST EPSS
- GHSA-c38m-7h53-g9v4 · GitHub Advisory Database · CC BY 4.0
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