CVE-2020-24558
A vulnerability in an Trend Micro Apex One, Worry-Free Business Security 10.0 SP1 and Worry-Free Business Security Services dll may allow…
- Published
- Updated
- Reserved
- Assigned by
- trendmicro
Description
A vulnerability in an Trend Micro Apex One, Worry-Free Business Security 10.0 SP1 and Worry-Free Business Security Services dll may allow an attacker to manipulate it to cause an out-of-bounds read that crashes multiple processes in the product. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
Timeline
ID reserved
By trendmicro
- 12 days later
· 12 days later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.63% · top 49% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Weakness
- Improper Access Control Privilege Escalation
- CWE-125 (opens in a new tab)All about CWE-125 and its CVEs
Affected products
Trend Micro · Trend Micro Apex One
- affected 2009 (on premise), SaaS
Trend Micro · Trend Micro Worry-Free Business Security
- affected 10.0 SP1, Services (SaaS)
References (3)
- https://success.trendmicro.com/solution/000263632 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.zerodayinitiative.com/advisories/ZDI-20-1095/ (opens in a new tab)x_refsource_MISCx_transferred
- https://success.trendmicro.com/solution/000267260 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-24558)Record last updated .