Kiteworks Core up to 9.0.x Shared Folder permission

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Kiteworks Core up to 9.0.x. Affected by this vulnerability is an unknown functionality of the component Shared Folder Handler. The manipulation leads to permission. This vulnerability is listed as CVE-2025-53939. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Kiteworks Core up to 9.0.x. It has been rated as critical. This issue affects some unknown processing of the component Shared Folder Handler. The manipulation with an unknown input leads to a permission vulnerability. Using CWE to declare the problem leads to CWE-275. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Kiteworks is a private data network (PDN). Prior to version 9.1.0, improper input validation when managing roles of a shared folder could lead to unexpectedly elevate another user's permissions on the share. This issue has been patched in version 9.1.0.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2025-53939 since 07/14/2025. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1222 for this issue.

Upgrading to version 9.1.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-199894). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CNA Base Score: 6.3
CNA Vector (GitHub_M): 🔒

CVSSv2info

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

Exploitinginfo

Class: Permission
CWE: CWE-275 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

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: Core 9.1.0

Timelineinfo

07/14/2025 CVE reserved
11/29/2025 +138 days Advisory disclosed
11/29/2025 +0 days VulDB entry created
12/05/2025 +6 days VulDB entry last update

Sourcesinfo

Advisory: GHSA-hpf5-6376-2565
Status: Confirmed

CVE: CVE-2025-53939 (🔒)
GCVE (CVE): GCVE-0-2025-53939
GCVE (VulDB): GCVE-100-333773
EUVD: 🔒

Entryinfo

Created: 11/29/2025 09:20
Updated: 12/05/2025 17:03
Changes: 11/29/2025 09:20 (65), 11/29/2025 10:11 (1), 12/05/2025 17:03 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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