Buffer overflow in Microsoft Windows
CVE-2021-25249
An out-of-bounds write information disclosure vulnerability in Trend Micro Apex One (on-prem and SaaS), OfficeScan XG SP1, and Worry-Free Business Security (10.0 SP1 and Services) could allow a local attacker to escalate privileges on affected installations. 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 class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (34.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Microsoft Windows
- Trend Micro Apex One — versions 2019, SaaS
- Trend Micro Officescan — versions XG SP1
- Trend Micro Worry-Free Business Security — versions 10.0 SP1, Services (SaaS)
- Trendmicro Apex One — versions 2019
- Trendmicro Officescan — versions xg
- Trendmicro Worry-Free Business Security — versions 10.0
Weakness classification (CWE)
References
- success.trendmicro.com/solution/000284202 (Patch, Vendor Advisory)
- success.trendmicro.com/solution/000284205 (Patch, Vendor Advisory)
- success.trendmicro.com/solution/000284206 (Patch, Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-21-119/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-25249?
- CVE-2021-25249 is a high-severity vulnerability in Microsoft Windows, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-02-04.
- How severe is CVE-2021-25249?
- High severity. CVSS v3 base score is 7.8 out of 10.