NVD Vulnerability Detail

CVE-2020-5196

Summary	Cerberus FTP Server Enterprise Edition prior to versions 11.0.3 and 10.0.18 allows an authenticated attacker to create files, display hidden files, list directories, and list files without the permission to zip and download (or unzip and upload) files. There are multiple ways to bypass certain permissions by utilizing the zip and unzip features. As a result, users without permission can see files, folders, and hidden files, and can create directories without permission.
Publication Date	Jan. 14, 2020, 11:15 p.m.
Registration Date	Jan. 26, 2021, 11:59 a.m.
Last Update	Nov. 21, 2024, 2:33 p.m.

Affected software configurations

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:cerberusftp:ftp_server:::::enterprise:::*	10.0.0			10.0.18
cpe:2.3:a:cerberusftp:ftp_server:::::enterprise:::*	11.0.0			11.0.3

Related information, measures and tools

No	URL	タグ
1	https://support.cerberusftp.com/hc/en-us/community/topics/360000164199-Announcements	Release Notes Vendor Advisory
2	https://support.cerberusftp.com/hc/en-us/community/topics/360000164199-Announcements	Release Notes Vendor Advisory
3	https://www.cerberusftp.com/zip-unzip-permission-bypass-vulnerability-fixed-in-cerberus-ftp-server-versions-11-0-3-and-10-0-18/	Vendor Advisory
4	https://www.cerberusftp.com/zip-unzip-permission-bypass-vulnerability-fixed-in-cerberus-ftp-server-versions-11-0-3-and-10-0-18/	Vendor Advisory
5	https://www.doyler.net/security-not-included/cerberus-ftp-vulnerabilities	Exploit Third Party Advisory
6	https://www.doyler.net/security-not-included/cerberus-ftp-vulnerabilities	Exploit Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-276	不適切なデフォルトパーミッション	https://cwe.mitre.org/data/definitions/276.html

JVN Vulnerability Information

Cerberus FTP Server Enterprise Edition における不適切なデフォルトパーミッションに関する脆弱性

Title	Cerberus FTP Server Enterprise Edition における不適切なデフォルトパーミッションに関する脆弱性
Summary	Cerberus FTP Server Enterprise Edition には、不適切なデフォルトパーミッションに関する脆弱性が存在します。
Possible impacts	情報を取得される、および情報を改ざんされる可能性があります。
Solution	ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date	Jan. 11, 2020, midnight
Registration Date	Feb. 3, 2020, 3:28 p.m.
Last Update	Feb. 3, 2020, 3:28 p.m.

Affected System

Cerberus, LLC

Cerberus FTP Server 10.0.18 未満

Cerberus FTP Server 11.0.3 未満

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2020-5196	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-5196
National Vulnerability Database (NVD)
2	CVE-2020-5196	https://nvd.nist.gov/vuln/detail/CVE-2020-5196

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-276	https://cwe.mitre.org/data/definitions/276.html

ベンダー情報

No	Name	URL
Cerberus
1	Announcements	https://support.cerberusftp.com/hc/en-us/community/topics/360000164199-Announcements
2	Zip/Unzip permission bypass vulnerability fixed in Cerberus FTP Server versions 11.0.3 and 10.0.18	https://www.cerberusftp.com/zip-unzip-permission-bypass-vulnerability-fixed-in-cerberus-ftp-server-versions-11-0-3-and-10-0-18/

その他

No	Name	URL
関連文書
1	Cerberus FTP Vulnerabilities - CVE-2020-5194, CVE-2020-5195, CVE-2020-5196	https://www.doyler.net/security-not-included/cerberus-ftp-vulnerabilities

Change Log

No	Changed Details	Date of change
1	[2020年02月03日] 掲載	Feb. 3, 2020, 3:28 p.m.