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Known exploited vulnerability

CVE-2022-40139

highCVSS 3.1 7.2In CISA KEVEPSS 3.4%Published · Trend Micro

The short answer

CVE-2022-40139 affects Trend Micro Trend Micro Apex One and is rated high (CVSS 7.2). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-09-15: attackers are using it, so patch it first. The vendor has linked a patch.

What it is

Improper validation of some components used by the rollback mechanism in Trend Micro Apex One and Trend Micro Apex One as a Service clients could allow a Apex One server administrator to instruct affected clients to download an unverified rollback package, which could lead to remote code execution. Please note: an attacker must first obtain Apex One server administration console access in order to exploit this vulnerability.

Severity

7.2 high

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Sep 15, 2022

Federal due date Oct 6, 2022

EPSS, next 30 days

3.4%

Higher than 89% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply updates per vendor instructions.

Affected products

Trend Micro Apex One. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2022-40139 being exploited?

Yes. CISA added CVE-2022-40139 to its Known Exploited Vulnerabilities catalog on 2022-09-15, with a federal remediation due date of 2022-10-06.

How do I fix CVE-2022-40139?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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