VDB-174777 · CVE-2021-31520 · GCVE-0-2021-31520

Trend Micro IM Security 1.6/1.6.5 Web Management Interface 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.
3.7	$5k-$25k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Trend Micro IM Security 1.6/1.6.5. This impacts an unknown function of the component Web Management Interface. Performing a manipulation results in improper authentication. This vulnerability is reported as CVE-2021-31520. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Trend Micro IM Security 1.6/1.6.5. It has been classified as problematic. This affects an unknown functionality of the component Web Management Interface. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality.

The weakness was disclosed 05/10/2021. The advisory is shared at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2021-31520. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/10/2021).

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Trend Micro

Name

IM Security

Version

License

commercial

Website

Vendor: https://www.trendmicro.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
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: Improper authentication
CWE: CWE-287
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/20/2021 🔍
05/10/2021 +20 days 🔍
05/10/2021 +0 days 🔍
05/13/2021 +3 days 🔍

Sourcesinfo

Vendor: trendmicro.com

Advisory: zerodayinitiative.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2021-31520 (🔍)
GCVE (CVE): GCVE-0-2021-31520
GCVE (VulDB): GCVE-100-174777

Entryinfo

Created: 05/10/2021 21:13
Updated: 05/13/2021 08:18
Changes: 05/10/2021 21:13 (37), 05/13/2021 08:18 (2)
Complete: 🔍
Cache ID: 216::103