VDB-167975 · CVE-2021-3138 · GCVE-0-2021-3138

Discourse up to 2.7.0 beta1 2FA improper authentication

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.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Discourse up to 2.7.0 beta1 and classified as critical. Impacted is an unknown function of the component 2FA Handler. The manipulation leads to improper authentication. This vulnerability is referenced as CVE-2021-3138. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in Discourse up to 2.7.0 beta1. It has been rated as critical. This issue affects an unknown part of the component 2FA Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability.

The weakness was published 01/14/2021. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2021-3138. Technical details are unknown but a public exploit is available.

The exploit is available at packetstormsecurity.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Chat Software

Name

Discourse

Version

2.7.0 beta1

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

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: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/12/2021 🔍
01/14/2021 +2 days 🔍
01/14/2021 +0 days 🔍
06/25/2024 +1258 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2021-3138 (🔍)
GCVE (CVE): GCVE-0-2021-3138
GCVE (VulDB): GCVE-100-167975
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/14/2021 13:39
Updated: 06/25/2024 05:02
Changes: 01/14/2021 13:39 (35), 02/14/2021 14:36 (2), 02/14/2021 14:38 (18), 06/25/2024 05:02 (23)
Complete: 🔍
Cache ID: 216::103