Vulnerability in Microsoft Windows
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 a…
EPSS: 0.026 (83.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows
- Trend Micro Apex One — versions 2009 (on premise), SaaS
- Trend Micro Worry-free Business Security — versions 10.0 SP1
- Trendmicro Apex_one — versions 2019
- Trendmicro Worry-free_business_security — versions 10.0
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- security@trendmicro.com (x_refsource_MISC, Vendor Advisory)
- security@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
- security@trendmicro.com (x_refsource_MISC, Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2020-24557?
- CVE-2020-24557 is a high-severity vulnerability in Microsoft Windows. CVSS score: 7.8/10. Published 2020-09-01.
- How severe is CVE-2020-24557?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-24557 known to be exploited?
- Yes. CVE-2020-24557 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 4 public proof-of-concept repositories are indexed.