GitLab Community Edition/Enterprise Edition up to 11.2.6/11.3.7/11.4.2 Email Reply information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in GitLab Community Edition and Enterprise Edition up to 11.2.6/11.3.7/11.4.2 (Bug Tracking Software). It has been declared as problematic. This vulnerability affects an unknown code block of the component Email Reply Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

An issue was discovered in GitLab Community and Enterprise Edition before 11.2.7, 11.3.x before 11.3.8, and 11.4.x before 11.4.3. It allows for Information Exposure via unsubscribe links in email replies.

The bug was discovered 10/29/2018. The weakness was published 12/04/2018 (Website). The advisory is available at This vulnerability was named CVE-2018-18645 since 10/25/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 118497 (FreeBSD : Gitlab -- multiple vulnerabilities (b9591212-dba7-11e8-9416-001b217b3468)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading to version 11.2.7, 11.3.8 or 11.4.3 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (118497).







CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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VulDB Reliability: 🔍

NVD Base Score: 4.3
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Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 118497
Nessus Name: FreeBSD : Gitlab -- multiple vulnerabilities (b9591212-dba7-11e8-9416-001b217b3468)
Nessus File: 🔍
Nessus Risk: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Community Edition/Enterprise Edition 11.2.7/11.3.8/11.4.3


10/25/2018 🔍
10/29/2018 +4 days 🔍
10/29/2018 +0 days 🔍
10/30/2018 +1 days 🔍
12/04/2018 +35 days 🔍
12/04/2018 +0 days 🔍
12/05/2018 +1 days 🔍
06/13/2023 +1651 days 🔍



Advisory: 24498
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-18645 (🔍)


Created: 12/05/2018 02:42 PM
Updated: 06/13/2023 08:58 AM
Changes: 12/05/2018 02:42 PM (67), 04/17/2020 04:28 PM (2), 06/13/2023 08:58 AM (4)
Complete: 🔍
Cache ID: 34:FB4:40


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