CVE-2021-40525 json
Sieve file storage vulnerable to path traversal attacks
published 2022-01-04 4 y ago modified 2026-09-10 1 mo ago also GHSA-c38m-7h53-g9v4 , EUVD-2022-0552
- cvss
- 9.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.8%
- EPSS 3.8% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
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.
Patch / fix
- maven org.apache.james:james-server 3.6.1
- apache james 3.6.2
Exploit prediction
3.83% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 2.0 | 6.4 | AV:N/AC:L/Au:N/C:P/I:P/A:N |
| GitHub | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.apache.james:james-server | <3.6.1 |
3.6.1 |
Affected products
- Apache Software Foundation Apache James
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
openwall.com
/lists/oss-security/2022/01/04/4
web, mailing-list, third-party-advisory
-
openwall.com
/lists/oss-security/2022/01/04/4
mailing-list, web, third-party-advisory
-
openwall.com
/lists/oss-security/2022/02/07/1
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-40525
advisory
-
github.com
/apache/james-project
package
Sources
- CVE List CVE-2021-40525
- GitHub Advisory GHSA-c38m-7h53-g9v4
- NVD CVE-2021-40525
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