2021-31868 | Rapid7 Nexpose Security Console missing 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.
6.0	$0-$5k	0.56

A vulnerability, which was classified as critical, was found in Rapid7 Nexpose up to 6.6.95. This affects an unknown part of the component Security Console. The manipulation with an unknown input leads to a weak authentication vulnerability. CWE is classifying the issue as CWE-306. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Rapid7 Nexpose version 6.6.95 and earlier allows authenticated users of the Security Console to view and edit any ticket in the legacy ticketing feature, regardless of the assignment of the ticket. This issue was resolved in version 6.6.96, released on August 4, 2021.

The weakness was released 08/19/2021. It is possible to read the advisory at docs.rapid7.com. This vulnerability is uniquely identified as CVE-2021-31868 since 04/28/2021. The exploitability is told to be easy. It is possible to initiate the attack remotely. A authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 6.6.96 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

Vendor

Name

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

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

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: 🔍
Class: Weak authentication
CWE: CWE-306
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Nexpose 6.6.96

04/28/2021 CVE assigned
08/04/2021 +98 days Countermeasure disclosed
08/19/2021 +15 days Advisory disclosed
08/19/2021 +0 days VulDB entry created
08/21/2021 +2 days VulDB last updateAdvisory: docs.rapid7.com
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2021-31868 (🔒)

Created: 08/19/2021 21:41
Updated: 08/21/2021 18:50
Changes: (1) source_cve_cna
Complete: 🔍

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