OrbiTeam BSCW Server up to 5.2.4/7.4.3 /pub/bscw.cgi style_name path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k1.61+

Summaryinfo

A vulnerability was found in OrbiTeam BSCW Server up to 5.2.4/7.4.3 and classified as problematic. This affects an unknown function of the file /pub/bscw.cgi. The manipulation of the argument style_name results in path traversal. This vulnerability was named CVE-2021-48017. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in OrbiTeam BSCW Server up to 5.2.4/7.4.3. Affected is an unknown code of the file /pub/bscw.cgi. The manipulation of the argument style_name with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality. CVE summarizes:

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.

The advisory is shared for download at web.archive.org. This vulnerability is traded as CVE-2021-48017 since 10/14/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 5.2.5 or 7.4.4 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: BSCW Server 5.2.5/7.4.4

Timelineinfo

10/14/2026 CVE reserved
10/22/2026 +8 days Advisory disclosed
10/22/2026 +0 days VulDB entry created
10/22/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: web.archive.org
Status: Confirmed

CVE: CVE-2021-48017 (🔒)
GCVE (CVE): GCVE-0-2021-48017
GCVE (VulDB): GCVE-100-425268

Entryinfo

Created: 10/22/2026 13:16
Changes: 10/22/2026 13:16 (76)
Complete: 🔍
Cache ID: 216::103

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