CVE-2020-15604 : An incomplete SSL server certification validation vulnerability in the Trend Mic

An incomplete SSL server certification validation vulnerability in the Trend Micro Security 2019 (v15) consumer family of products could allow an attacker to combine this vulnerability with another attack to trick an affected client into downloading a malicious update instead of the expected one. CWE-494: Update files are not properly verified.

Published 2020-09-24 02:15:12

Updated 2021-07-21 11:39:24

Source Trend Micro, Inc.

View at NVD, CVE.org

Products affected by CVE-2020-15604

Trendmicro » Internet Security 2019
Versions up to, including, (<=) 15.0
cpe:2.3:a:trendmicro:internet_security_2019:*:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A
Trendmicro » Maximum Security 2019
Versions up to, including, (<=) 15.0
cpe:2.3:a:trendmicro:maximum_security_2019:*:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A
Trendmicro » Premium Security 2019
Versions up to, including, (<=) 15.0
cpe:2.3:a:trendmicro:premium_security_2019:*:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A
Trendmicro » Officescan Cloud » Version: 15
cpe:2.3:a:trendmicro:officescan_cloud:15:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A
Trendmicro » Antivirus+ 2019
Versions up to, including, (<=) 15.0
cpe:2.3:a:trendmicro:antivirus\+_2019:*:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2020-15604

EPSS FAQ

0.27%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 67 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-15604

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:P/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: None

CWE ids for CVE-2020-15604

CWE-295 Improper Certificate Validation

The product does not validate, or incorrectly validates, a certificate.

Assigned by: nvd@nist.gov (Primary)
CWE-494 Download of Code Without Integrity Check

The product downloads source code or an executable from a remote location and executes the code without sufficiently verifying the origin and integrity of the code.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-15604

https://jvn.jp/jp/JVN60093979/

JVN#60093979: ウイルスバスタークラウド (Windows版) に実装された Active Update 機能における複数の脆弱性
Third Party Advisory

CVEs referencing this url
https://jvn.jp/en/jp/JVN60093979/

JVN#60093979: Multiple vulnerabilities in Active Update function implemented in multiple Trend Micro products
Third Party Advisory

CVEs referencing this url
https://helpcenter.trendmicro.com/ja-jp/article/TMKA-09673

アラート/アドバイザリ：ウイルスバスタークラウドの脆弱性について(CVE-2020-15604/CVE-2020-24560) · Trend Micro for Home
Vendor Advisory

CVEs referencing this url
https://helpcenter.trendmicro.com/en-us/article/TMKA-09890

Trend Micro Security 2019 (Consumer) Incomplete SSL Server Certification Validation Vulnerability · Trend Micro for Home
Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2020-15604

Products affected by CVE-2020-15604

Exploit prediction scoring system (EPSS) score for CVE-2020-15604

CVSS scores for CVE-2020-15604

CWE ids for CVE-2020-15604

References for CVE-2020-15604