How severe is CVE-2022-33158?

CVE-2022-33158 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-33158 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-33158?

CVE-2022-33158 affects Trendmicro Vpn Proxy One Pro. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-33158?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-33158 published?

CVE-2022-33158 was published on 2022-07-30 and last updated on 2026-06-17.

CVE-2022-33158

CVE-2022-33158 is a high-severity vulnerability in Trendmicro Vpn Proxy One Pro with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-552.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-552
Affected product: Trendmicro Vpn Proxy One Pro
Published: 2022-07-30
Last modified: 2026-06-17

Description

Trend Micro VPN Proxy Pro version 5.2.1026 and below contains a vulnerability involving some overly permissive folders in a key directory which could allow a local attacker to obtain privilege escalation on an affected system.

Frequently asked questions

What is CVE-2022-33158?: Trend Micro VPN Proxy Pro version 5.2.1026 and below contains a vulnerability involving some overly permissive folders in a key directory which could allow a local attacker to obtain privilege escalation on an affected system.
How severe is CVE-2022-33158?: CVE-2022-33158 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-33158 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-33158?: CVE-2022-33158 affects Trendmicro Vpn Proxy One Pro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-33158?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-33158 published?: CVE-2022-33158 was published on 2022-07-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:trendmicro:vpn_proxy_one_pro:*:*:*:*:*:*:*:*

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