Wing FTP Server 6.2.3 HTTP File Management Interface permissions

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability, which was classified as critical, has been found in Wing FTP Server 6.2.3 (File Transfer Software). Affected by this issue is an unknown part of the component HTTP File Management Interface. The manipulation with an unknown input leads to a permissions vulnerability. Using CWE to declare the problem leads to CWE-281. The product does not preserve permissions or incorrectly preserves permissions when copying, restoring, or sharing objects, which can cause them to have less restrictive permissions than intended. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Wing FTP Server v6.2.3 for Linux, macOS, and Solaris sets insecure permissions on files modified within the HTTP file management interface, resulting in files being saved with world-readable and world-writable permissions. If a sensitive system file were edited this way, a low-privilege user may escalate privileges to root.

The weakness was released 03/07/2020. This vulnerability is handled as CVE-2020-8634 since 02/05/2020. The exploitation is known to be easy. Local access is required to approach this attack. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1222 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entry connected to this vulnerability is available at VDB-150987.






CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 7.8
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VulDB Base Score: 🔍
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Class: Permissions
CWE: CWE-281 / CWE-266

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


02/05/2020 🔍
03/07/2020 +31 days 🔍
03/07/2020 +0 days 🔍
04/10/2024 +1495 days 🔍


Status: Not defined

CVE: CVE-2020-8634 (🔍)
See also: 🔍


Created: 03/07/2020 01:30 PM
Updated: 04/10/2024 08:03 AM
Changes: 03/07/2020 01:30 PM (36), 03/07/2020 01:35 PM (18), 04/10/2024 08:03 AM (17)
Complete: 🔍
Cache ID: 44:A81:40


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