VDB-187450 · CVE-2021-43792 · GHSA-pq2x-vq37-8522

Discourse up to 2.7.10 /preferences/tags information disclosure

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Discourse up to 2.7.10 and classified as problematic. Affected is an unknown function of the file /preferences/tags. Executing a manipulation can lead to information disclosure. This vulnerability is registered as CVE-2021-43792. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Discourse up to 2.7.10. It has been declared as problematic. This vulnerability affects an unknown code of the file /preferences/tags. 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.

The weakness was published 12/02/2021 as GHSA-pq2x-vq37-8522. The advisory is available at github.com. This vulnerability was named CVE-2021-43792 since 11/16/2021. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

Upgrading to version 2.7.11 eliminates this vulnerability. Applying the patch cdaf7f4bb3ec268238e4c29a14bb73fad56574b4 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Chat Software

Name

Discourse

Version

License

open-source

Website

Product: https://github.com/discourse/discourse/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

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

CNA Base Score: 4.3
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Discourse 2.7.11
Patch: cdaf7f4bb3ec268238e4c29a14bb73fad56574b4

Timelineinfo

11/16/2021 🔍
12/02/2021 +16 days 🔍
12/02/2021 +0 days 🔍
12/08/2021 +6 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-pq2x-vq37-8522
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-43792 (🔍)
GCVE (CVE): GCVE-0-2021-43792
GCVE (VulDB): GCVE-100-187450

Entryinfo

Created: 12/02/2021 07:39
Updated: 12/08/2021 13:16
Changes: 12/02/2021 07:39 (51), 12/08/2021 13:10 (2), 12/08/2021 13:16 (7)
Complete: 🔍
Cache ID: 216::103