CVE-2021-25246
CVE-2021-25246 is a medium-severity vulnerability in Trendmicro Apex One with a CVSS 3.x base score of 6.5. 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 6.5)
- CVSS v2: 6.4
- EPSS exploit prediction: 2% (75th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Trendmicro Apex One
- Published:
- Last modified:
Description
An improper access control information disclosure vulnerability in Trend Micro Apex One, Apex One as a Service, OfficeScan XG SP1, and Worry-Free Business Security could allow an unauthenticated user to create a bogus agent on an affected server that could be used then make valid configuration queries.
Frequently asked questions
- What is CVE-2021-25246?
- An improper access control information disclosure vulnerability in Trend Micro Apex One, Apex One as a Service, OfficeScan XG SP1, and Worry-Free Business Security could allow an unauthenticated user to create a bogus agent on an affected server that could be used then make valid configuration queries.
- How severe is CVE-2021-25246?
- CVE-2021-25246 has a CVSS 3.x base score of 6.5, 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 low, and availability none.
- Is CVE-2021-25246 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-25246?
- CVE-2021-25246 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-2021-25246?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-25246 published?
- CVE-2021-25246 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-21-117/
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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