CVE-2021-45442 json
A link following denial-of-service vulnerability in Trend Micro Worry-Free Business Security (on prem only) could allow a local attacker to…
published 2022-01-08 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-32213
- cvss
- 7.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 35%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
| NVD | 2.0 | 6.6 | AV:L/AC:L/Au:N/C:N/I:C/A:C |
Affected products
- Trend Micro Trend Micro Worry-Free Business Security
Classification
- Weakness
-
- CWE-59 Improper Link Resolution Before File Access
References
-
success.trendmicro.com
/solution/000289996
patch, vendor-advisory
-
zerodayinitiative.com
/advisories/ZDI-22-015/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-45442
- NVD CVE-2021-45442
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