Discourse up to 3.0.1/3.1.0.beta2 Backup allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Discourse up to 3.0.1/3.1.0.beta2. It has been declared as problematic. This vulnerability affects an unknown function of the component Backup Handler. The manipulation with an unknown input leads to a allocation of resources vulnerability. The CWE definition for the vulnerability is CWE-770. The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. As an impact it is known to affect availability. CVE summarizes:

Discourse is an open-source discussion platform. Prior to version 3.0.2 of the `stable` branch and version 3.1.0.beta3 of the `beta` and `tests-passed` branches, a user logged as an administrator can request backups multiple times, which will eat up all the connections to the DB. If this is done on a site using multisite, then it can affect the whole cluster. The vulnerability is patched in version 3.0.2 of the `stable` branch and version 3.1.0.beta3 of the `beta` and `tests-passed` branches. There are no known workarounds.

The weakness was disclosed 03/18/2023 as GHSA-cp7c-fm4c-6xxx. The advisory is available at github.com. This vulnerability was named CVE-2023-28107 since 03/10/2023. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version 3.0.2 or 3.1.0.beta3 eliminates this vulnerability. Applying the patch 0bd64788d2b4680c04fbef76314a24884d65fed9 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.




  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.9

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.9
NVD Vector: 🔒

CNA Base Score: 4.5
CNA Vector (GitHub, Inc.): 🔒



VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍


Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Discourse 3.0.2/3.1.0.beta3
Patch: 0bd64788d2b4680c04fbef76314a24884d65fed9


03/10/2023 CVE reserved
03/18/2023 +8 days Advisory disclosed
03/18/2023 +0 days VulDB entry created
04/11/2023 +24 days VulDB last update


Advisory: GHSA-cp7c-fm4c-6xxx
Status: Confirmed

CVE: CVE-2023-28107 (🔒)


Created: 03/18/2023 08:29 AM
Updated: 04/11/2023 02:43 PM
Changes: 03/18/2023 08:29 AM (51), 04/11/2023 02:43 PM (11)
Complete: 🔍


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