Vulnerability Details : CVE-2021-45442
A link following denial-of-service vulnerability in Trend Micro Worry-Free Business Security (on prem only) could allow a local attacker to overwrite arbitrary files in the context of SYSTEM. This is similar to, but not the same as CVE-2021-44024. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
Vulnerability category: Denial of service
Products affected by CVE-2021-45442
- cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:saas:*:*:*
- cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:-:*:*:*
- cpe:2.3:a:trendmicro:worry-free_business_security:10.0:sp1:*:*:*:*:*:*
- cpe:2.3:a:trendmicro:worry-free_business_security_services:-:*:*:*:saas:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-45442
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 13 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-45442
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.6
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:C/A:C |
3.9
|
9.2
|
NIST | |
|
7.1
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
1.8
|
5.2
|
NIST |
CWE ids for CVE-2021-45442
-
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-45442
-
https://success.trendmicro.com/solution/000289996
Patch;Vendor Advisory
-
https://www.zerodayinitiative.com/advisories/ZDI-22-015/
ZDI-22-015 | Zero Day InitiativeThird Party Advisory;VDB Entry
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