OrbiTeam BSCW Server 5.x before 5.2.5 and 7.x before 7.4.4 contains an unauthenticated path traversal vulnerability in the style_name parameter of the theme operation. Attackers can send GET requests to /pub/bscw.cgi/<id>?op=theme with ../ sequences in style_name to read local files such as /etc/passwd. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-22.
Advisories

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Fixes

Solution

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Workaround

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History

Thu, 22 Oct 2026 11:00:00 +0000

Type Values Removed Values Added
Description OrbiTeam BSCW Server 5.x before 5.2.5 and 7.x before 7.4.4 contains an unauthenticated path traversal vulnerability in the style_name parameter of the theme operation. Attackers can send GET requests to /pub/bscw.cgi/<id>?op=theme with ../ sequences in style_name to read local files such as /etc/passwd. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-22.
Title OrbiTeam BSCW Server < 5.2.5 / 7.4.4 Path Traversal via bscw.cgi
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-22T10:57:31.855Z

Reserved: 2026-10-14T20:25:29.144Z

Link: CVE-2021-48017

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-22T11:17:04.833

Modified: 2026-10-22T11:17:04.833

Link: CVE-2021-48017

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-22T12:30:05Z

Weaknesses