← Vulnerability feed

Vulnerability record · CVE-2018-5751 · published 16 June 2018

CVE-2018-5751: Open-xchange appsuite information exposure vulnerability

Open Xchange · Open Xchange Appsuite

The backend component in Open-Xchange OX App Suite before 7.6.3-rev36, 7.8.x before 7.8.2-rev39, 7.8.3 before 7.8.3-rev44, and 7.8.4 before 7.8.4-rev22 allows remote authenticated users to obtain sensitive information about external guest users via vectors related to the "groups" and "users" APIs.

6.5 CVSS 3.0 Medium EPSS 9.1% · top 4.9% CWE-200 · Information exposure
6.5CVSS 3.0 base score, v2 4.0
9.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 6 tagged exploit
17 Jun 2026Last modified by NVD

Description

The backend component in Open-Xchange OX App Suite before 7.6.3-rev36, 7.8.x before 7.8.2-rev39, 7.8.3 before 7.8.3-rev44, and 7.8.4 before 7.8.4-rev22 allows remote authenticated users to obtain sensitive information about external guest users via vectors related to the "groups" and "users" APIs.

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/148118/OX-App-Suite-7.8.4-XSS-Privilege-Management-SSRF-Traversal.html ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2018/Jun/23 ExploitMailing ListThird Party Advisory
https://www.exploit-db.com/exploits/44881/ ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/148118/OX-App-Suite-7.8.4-XSS-Privilege-Management-SSRF-Traversal.html ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2018/Jun/23 ExploitMailing ListThird Party Advisory
https://www.exploit-db.com/exploits/44881/ ExploitThird Party AdvisoryVDB Entry

Track CVE-2018-5751 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.9CVE-2017-13667Open-xchange appsuite server-side request forgery (ssrf) vulnerabilityOX Software GmbH OX App Suite 7.8.4 and earlier is affected by: SSRF.EPSS 0.89%9.8CVE-2020-12645Open-xchange appsuite improper restriction of authentication attempts vulnerabilityOX App Suite 7.10.1 to 7.10.3 has improper input validation for rate limits with a crafted User-Agent header, spoofed vacation notices, and /apps/loa…EPSS 1.1%9.8CVE-2019-7158Open-xchange appsuite vulnerabilityOX App Suite 7.10.0 and earlier has Incorrect Access Control.EPSS 1.5%9.8CVE-2017-17060Open-xchange appsuite vulnerabilityOX Software GmbH OX App Suite 7.8.4 and earlier is affected by: Insecure Permissions.EPSS 1.2%9.8CVE-2017-5210Open-xchange appsuite information exposure vulnerabilityOpen-Xchange GmbH OX App Suite 7.8.3 and earlier is affected by: Information Exposure.EPSS 1.4%9.8CVE-2017-5212Open-xchange appsuite improper access control vulnerabilityOpen-Xchange GmbH OX App Suite 7.8.3 is affected by: Incorrect Access Control.EPSS 1.4%9.8CVE-2017-5863Open-xchange appsuite improper access control vulnerabilityOpen-Xchange GmbH OX App Suite 7.8.3 and earlier is affected by: Incorrect Access Control.EPSS 1.4%8.8CVE-2023-26452Open-xchange appsuite sql injection vulnerabilityRequests to cache an image and return its metadata could be abused to include SQL queries that would be executed unchecked. Exploiting this vulnerabi…EPSS 0.37%

Source: NIST National Vulnerability Database (record CVE-2018-5751), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.