VDB-201768 · CVE-2021-40604 · GCVE-0-2021-40604

Invision Power Services Community Suite up to 4.6.1 phar Protocol server-side request forgery

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.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Invision Power Services Community Suite up to 4.6.1. The affected element is an unknown function of the component phar Protocol Handler. The manipulation results in server-side request forgery. This vulnerability was named CVE-2021-40604. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Invision Power Services Community Suite up to 4.6.1. It has been classified as critical. Affected is an unknown function of the component phar Protocol Handler. The manipulation with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A Server-Side Request Forgery (SSRF) vulnerability in IPS Community Suite before 4.6.2 allows remote authenticated users to request arbitrary URLs or trigger deserialization via phar protocol when generating class names dynamically. In some cases an exploitation is possible by an unauthenticated user.

The weakness was presented 06/14/2022. The advisory is shared for download at invisioncommunity.com. This vulnerability is traded as CVE-2021-40604 since 09/07/2021. There are neither technical details nor an exploit publicly available.

Upgrading to version 4.6.2 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Invision

Name

Power Services Community Suite

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
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: Power Services Community Suite 4.6.2

Timelineinfo

09/07/2021 🔍
06/14/2022 +280 days 🔍
06/14/2022 +0 days 🔍
06/14/2022 +0 days 🔍

Sourcesinfo

Advisory: invisioncommunity.com
Status: Confirmed

CVE: CVE-2021-40604 (🔍)
GCVE (CVE): GCVE-0-2021-40604
GCVE (VulDB): GCVE-100-201768

Entryinfo

Created: 06/14/2022 10:31
Changes: 06/14/2022 10:31 (40)
Complete: 🔍
Cache ID: 216::103