VDB-180880 · CVE-2021-27401 · GCVE-0-2021-27401

Mitel MiCollab Web Client up to 9.2 FP1 Join Meeting Page cross site scripting

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.
3.4	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Mitel MiCollab Web Client up to 9.2 FP1. The impacted element is an unknown function of the component Join Meeting Page. Executing a manipulation can lead to cross site scripting. This vulnerability is registered as CVE-2021-27401. It is possible to launch the attack remotely. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Mitel MiCollab Web Client up to 9.2 FP1. It has been declared as problematic. This vulnerability affects an unknown function of the component Join Meeting Page. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity.

The weakness was published 08/14/2021. The advisory is shared for download at mitel.com. This vulnerability was named CVE-2021-27401. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Applying the patch 9.2 FP2 is able to eliminate this problem.

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

Productinfo

Vendor

Mitel

Name

MiCollab Web Client

Version

9.2 FP1

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 9.2 FP2

Timelineinfo

02/19/2021 🔍
08/14/2021 +175 days 🔍
08/14/2021 +0 days 🔍
08/18/2021 +4 days 🔍

Sourcesinfo

Advisory: mitel.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-27401 (🔍)
GCVE (CVE): GCVE-0-2021-27401
GCVE (VulDB): GCVE-100-180880

Entryinfo

Created: 08/14/2021 08:42
Updated: 08/18/2021 13:34
Changes: 08/14/2021 08:42 (38), 08/18/2021 13:34 (3)
Complete: 🔍
Cache ID: 216::103