Vulnerability identifier: #VU59160

Vulnerability risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-40525

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache James
Server applications / Mail servers

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences within the Sieve file storage implementation. A remote user can send a specially crafted request and read or write arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Apache James: 3.6.0, 3.5.0, 2.3.0 - 2.3.2.1, 3.4.0, 3.3.0, 3.2.0, 3.1.0, 3.0 beta2 - 3.0.1, 2.2.0, 2.1 - 2.1.3

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External links
http://seclists.org/oss-sec/2022/q1/4

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.