Discourse up to 2.7.0 beta1 2FA improper authentication

entryeditHistoryDiffjsonxmlCTI
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.
6.3$0-$5k0.98

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 weak authentication vulnerability. Using CWE to declare the problem leads to CWE-287. 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. The exploitation is known to be easy. The attack needs to be done within the local network. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/14/2021).

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

Productinfoedit

Name

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

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

CVSSv2infoedit

AVACAuCIA
🔍🔍🔍🔍🔍🔍
🔍🔍🔍🔍🔍🔍
🔍🔍🔍🔍🔍🔍
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

Exploitinginfoedit

Class: Weak authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

01/14/2021 Advisory disclosed
01/14/2021 +0 days VulDB entry created
01/14/2021 +0 days VulDB last update

Sourcesinfoedit

Advisory: github.com
Status: Not defined

CVE: CVE-2021-3138 (🔒)

Entryinfoedit

Created: 01/14/2021 01:39 PM
Changes: (35) software_name software_version software_component vulnerability_cwe vulnerability_risk vulnerability_cvss3_vuldb_ac vulnerability_cvss3_vuldb_pr vulnerability_cvss3_vuldb_c vulnerability_cvss3_vuldb_i vulnerability_cvss3_vuldb_a advisory_url source_cve advisory_date vulnerability_cvss2_vuldb_ac vulnerability_cvss2_vuldb_au vulnerability_cvss2_vuldb_ci vulnerability_cvss2_vuldb_ii vulnerability_cvss2_vuldb_ai vulnerability_cvss2_vuldb_av vulnerability_cvss2_vuldb_e vulnerability_cvss2_vuldb_rl vulnerability_cvss2_vuldb_rc vulnerability_cvss3_vuldb_av vulnerability_cvss3_vuldb_ui vulnerability_cvss3_vuldb_s vulnerability_cvss3_vuldb_e vulnerability_cvss3_vuldb_rl vulnerability_cvss3_vuldb_rc vulnerability_cvss2_vuldb_basescore vulnerability_cvss2_vuldb_tempscore vulnerability_cvss3_vuldb_basescore vulnerability_cvss3_vuldb_tempscore vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore exploit_price_0day
Complete: 🔍

Comments

No comments yet. Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!