CVE-2018-5751: Infoleak

Published Jun 15, 2018
·
Updated

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.

Affected Software

78 affected components
Open-Xchange Open-Xchange AppSuite<=7.6.3
Open-Xchange Open-Xchange AppSuite=7.6.3-rev14
Open-Xchange Open-Xchange AppSuite=7.6.3-rev15
Open-Xchange Open-Xchange AppSuite=7.6.3-rev16
Open-Xchange Open-Xchange AppSuite=7.6.3-rev17
Open-Xchange Open-Xchange AppSuite=7.6.3-rev18
Open-Xchange Open-Xchange AppSuite=7.6.3-rev20
Open-Xchange Open-Xchange AppSuite=7.6.3-rev22
Open-Xchange Open-Xchange AppSuite=7.6.3-rev23
Open-Xchange Open-Xchange AppSuite=7.6.3-rev24
Open-Xchange Open-Xchange AppSuite=7.6.3-rev25
Open-Xchange Open-Xchange AppSuite=7.6.3-rev26
Open-Xchange Open-Xchange AppSuite=7.6.3-rev28
Open-Xchange Open-Xchange AppSuite=7.6.3-rev29
Open-Xchange Open-Xchange AppSuite=7.6.3-rev30
Open-Xchange Open-Xchange AppSuite=7.6.3-rev31
Open-Xchange Open-Xchange AppSuite=7.6.3-rev32
Open-Xchange Open-Xchange AppSuite=7.6.3-rev33
Open-Xchange Open-Xchange AppSuite=7.6.3-rev35
Open-Xchange Open-Xchange AppSuite=7.8.0
Open-Xchange Open-Xchange AppSuite=7.8.2
Open-Xchange Open-Xchange AppSuite=7.8.3
Open-Xchange Open-Xchange AppSuite=7.8.3-rev10
Open-Xchange Open-Xchange AppSuite=7.8.3-rev11
Open-Xchange Open-Xchange AppSuite=7.8.3-rev12
Open-Xchange Open-Xchange AppSuite=7.8.3-rev13
Open-Xchange Open-Xchange AppSuite=7.8.3-rev14
Open-Xchange Open-Xchange AppSuite=7.8.3-rev15
Open-Xchange Open-Xchange AppSuite=7.8.3-rev16
Open-Xchange Open-Xchange AppSuite=7.8.3-rev17
Open-Xchange Open-Xchange AppSuite=7.8.3-rev18
Open-Xchange Open-Xchange AppSuite=7.8.3-rev19
Open-Xchange Open-Xchange AppSuite=7.8.3-rev20
Open-Xchange Open-Xchange AppSuite=7.8.3-rev21
Open-Xchange Open-Xchange AppSuite=7.8.3-rev22
Open-Xchange Open-Xchange AppSuite=7.8.3-rev23
Open-Xchange Open-Xchange AppSuite=7.8.3-rev24
Open-Xchange Open-Xchange AppSuite=7.8.3-rev25
Open-Xchange Open-Xchange AppSuite=7.8.3-rev26
Open-Xchange Open-Xchange AppSuite=7.8.3-rev27
Open-Xchange Open-Xchange AppSuite=7.8.3-rev28
Open-Xchange Open-Xchange AppSuite=7.8.3-rev29
Open-Xchange Open-Xchange AppSuite=7.8.3-rev30
Open-Xchange Open-Xchange AppSuite=7.8.3-rev31
Open-Xchange Open-Xchange AppSuite=7.8.3-rev32
Open-Xchange Open-Xchange AppSuite=7.8.3-rev33
Open-Xchange Open-Xchange AppSuite=7.8.3-rev34
Open-Xchange Open-Xchange AppSuite=7.8.3-rev35
Open-Xchange Open-Xchange AppSuite=7.8.3-rev36
Open-Xchange Open-Xchange AppSuite=7.8.3-rev38
Open-Xchange Open-Xchange AppSuite=7.8.3-rev39
Open-Xchange Open-Xchange AppSuite=7.8.3-rev40
Open-Xchange Open-Xchange AppSuite=7.8.3-rev41
Open-Xchange Open-Xchange AppSuite=7.8.3-rev42
Open-Xchange Open-Xchange AppSuite=7.8.3-rev43
Open-Xchange Open-Xchange AppSuite=7.8.3-rev5
Open-Xchange Open-Xchange AppSuite=7.8.3-rev6
Open-Xchange Open-Xchange AppSuite=7.8.3-rev8
Open-Xchange Open-Xchange AppSuite=7.8.3-rev9
Open-Xchange Open-Xchange AppSuite=7.8.4
Open-Xchange Open-Xchange AppSuite=7.8.4-rev10
Open-Xchange Open-Xchange AppSuite=7.8.4-rev11
Open-Xchange Open-Xchange AppSuite=7.8.4-rev13
Open-Xchange Open-Xchange AppSuite=7.8.4-rev14
Open-Xchange Open-Xchange AppSuite=7.8.4-rev15
Open-Xchange Open-Xchange AppSuite=7.8.4-rev16
Open-Xchange Open-Xchange AppSuite=7.8.4-rev17
Open-Xchange Open-Xchange AppSuite=7.8.4-rev18
Open-Xchange Open-Xchange AppSuite=7.8.4-rev19
Open-Xchange Open-Xchange AppSuite=7.8.4-rev20
Open-Xchange Open-Xchange AppSuite=7.8.4-rev21
Open-Xchange Open-Xchange AppSuite=7.8.4-rev3
Open-Xchange Open-Xchange AppSuite=7.8.4-rev4
Open-Xchange Open-Xchange AppSuite=7.8.4-rev5
Open-Xchange Open-Xchange AppSuite=7.8.4-rev6
Open-Xchange Open-Xchange AppSuite=7.8.4-rev7
Open-Xchange Open-Xchange AppSuite=7.8.4-rev8
Open-Xchange Open-Xchange AppSuite=7.8.4-rev9

Event History

Jun 15, 2018
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
Description
Jun 16, 2018
Data Sourced
via NVD·01:29 AM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2018-5751?

CVE-2018-5751 has a medium severity rating as it allows remote authenticated users to access sensitive information about external guest users.

2

How do I fix CVE-2018-5751?

To fix CVE-2018-5751, upgrade your Open-Xchange OX App Suite to version 7.6.3-rev36 or later, or 7.8.2-rev39 or later.

3

Who is affected by CVE-2018-5751?

CVE-2018-5751 affects users of Open-Xchange OX App Suite versions prior to 7.6.3-rev36 and 7.8.2-rev39.

4

What types of attacks does CVE-2018-5751 enable?

CVE-2018-5751 allows attackers to exploit the 'groups' and 'users' APIs to potentially gain unauthorized access to sensitive user information.

5

Is CVE-2018-5751 a remote or local vulnerability?

CVE-2018-5751 is a remote vulnerability, as it can be exploited by authenticated users from a remote location.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203