VDB-164548 · CVE-2020-27693 · GCVE-0-2020-27693

Trend Micro Interscan Messaging Security Virtual Appliance 9.1 Password Storage weak password hash

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.
3.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Trend Micro Interscan Messaging Security Virtual Appliance 9.1. It has been declared as problematic. Affected is an unknown function of the component Password Storage. Executing a manipulation can lead to weak password hash. This vulnerability appears as CVE-2020-27693. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Trend Micro Interscan Messaging Security Virtual Appliance 9.1 (Anti-Malware Software). This vulnerability affects some unknown processing of the component Password Storage. The manipulation with an unknown input leads to a weak password hash vulnerability. The CWE definition for the vulnerability is CWE-916. The product generates a hash for a password, but it uses a scheme that does not provide a sufficient level of computational effort that would make password cracking attacks infeasible or expensive. As an impact it is known to affect confidentiality.

The weakness was presented 11/10/2020. The advisory is shared for download at sec-consult.com. This vulnerability was named CVE-2020-27693. The exploitation appears to be difficult. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1552.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at success.trendmicro.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Anti-Malware Software

Vendor

Trend Micro

Name

Interscan Messaging Security Virtual Appliance

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: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 2.6
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔍

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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Weak password hash
CWE: CWE-916 / CWE-326 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: success.trendmicro.com

Timelineinfo

10/26/2020 🔍
11/10/2020 +15 days 🔍
11/10/2020 +0 days 🔍
12/04/2020 +24 days 🔍

Sourcesinfo

Vendor: trendmicro.com

Advisory: sec-consult.com
Status: Confirmed

CVE: CVE-2020-27693 (🔍)
GCVE (CVE): GCVE-0-2020-27693
GCVE (VulDB): GCVE-100-164548

Entryinfo

Created: 11/10/2020 08:21
Updated: 12/04/2020 10:19
Changes: 11/10/2020 08:21 (39), 12/04/2020 10:13 (2), 12/04/2020 10:19 (18)
Complete: 🔍
Cache ID: 216::103