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01 Record

CVE-2021-28645

An incorrect permission assignment vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a local attacker to escalate privileges on affected installations.

UnratedPUBLISHEDCNA: trendmicro
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

An incorrect permission assignment vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a local attacker to escalate privileges on affected installations.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.50% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 43.0% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-04-13 12:54Z5 YR AGO
Last updated
2024-08-03 21:47Z2 YR AGO
Reserved
2021-03-16
Assigning CNA
trendmicro
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-732Incorrect Permission Assignment for Critical ResourceClass
Data version
5.1
Document digest
15d8522f2bbdea9de78647bf3b52ce21eff54d4c5bc6cb035236c5b795906860

05 Affected products

VendorProductVersionsPlatforms
Trend MicroTrend Micro Apex One2019, SaaS—
Trend MicroTrend Micro OfficeScanXG SP1—

06 References