CVE-2021-25234
CVE-2021-25234 is a medium-severity vulnerability in Trendmicro Apex One with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (79th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Trendmicro Apex One
- Published:
- Last modified:
Description
An improper access control vulnerability in Trend Micro Apex One (on-prem and SaaS), OfficeScan XG SP1, and Worry-Free Business Security 10.0 SP1 could allow an unauthenticated user to obtain information about a specific notification configuration file.
Frequently asked questions
- What is CVE-2021-25234?
- An improper access control vulnerability in Trend Micro Apex One (on-prem and SaaS), OfficeScan XG SP1, and Worry-Free Business Security 10.0 SP1 could allow an unauthenticated user to obtain information about a specific notification configuration file.
- How severe is CVE-2021-25234?
- CVE-2021-25234 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2021-25234 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-25234?
- CVE-2021-25234 primarily affects Trendmicro Apex One. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-25234?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-25234 published?
- CVE-2021-25234 was published on 2021-02-04 and last updated on 2026-06-17.
References
- https://success.trendmicro.com/solution/000284202
- https://success.trendmicro.com/solution/000284205
- https://success.trendmicro.com/solution/000284206
- https://www.zerodayinitiative.com/advisories/ZDI-21-109/
Affected products (3)
- cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:*
- cpe:2.3:a:trendmicro:officescan:xg:sp1:*:*:*:*:*:*
- cpe:2.3:a:trendmicro:worry-free_business_security:10.0:sp1:*:*:*:*:*:*
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