Vulnerability Details : CVE-2020-24557
A vulnerability in Trend Micro Apex One and Worry-Free Business Security 10.0 SP1 on Microsoft Windows may allow an attacker to manipulate a particular product folder to disable the security temporarily, abuse a specific Windows function and attain privilege escalation. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. Please note that version 1909 (OS Build 18363.719) of Microsoft Windows 10 mitigates hard links, but previous versions are affected.
Vulnerability category: Gain privilege
Products affected by CVE-2020-24557
- cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:*
- cpe:2.3:a:trendmicro:apex_one:-:*:*:*:saas:*:*:*
- cpe:2.3:a:trendmicro:worry-free_business_security:10.0:sp1:*:*:*:*:*:*
CVE-2020-24557 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Trend Micro Multiple Products Improper Access Control Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Trend Micro Apex One, OfficeScan, and Worry-Free Business Security on Microsoft Windows contain an improper access control vulnerability that may allow an attacker to manipulate a particular product folder to disable the security temporarily, abuse a specific Windows function, and attain privilege e
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2020-24557
Added on
2021-11-03
Action due date
2022-05-03
Exploit prediction scoring system (EPSS) score for CVE-2020-24557
0.64%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 69 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-24557
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-02-06 |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
References for CVE-2020-24557
-
https://success.trendmicro.com/solution/000263632
Vendor Advisory
-
https://success.trendmicro.com/solution/000267260
September 2020 Security Bulletin - WFBS & WFBS-SVCVendor Advisory
-
https://www.zerodayinitiative.com/advisories/ZDI-20-1094/
ZDI-20-1094 | Zero Day InitiativeThird Party Advisory;VDB Entry
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