How severe is CVE-2020-25779?

CVE-2020-25779 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2020-25779 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25779?

CVE-2020-25779 affects Trendmicro Antivirus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-25779?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-25779 published?

CVE-2020-25779 was published on 2020-10-13 and last updated on 2026-06-17.

CVE-2020-25779

CVE-2020-25779 is a low-severity vulnerability in Trendmicro Antivirus with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 2.1
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Trendmicro Antivirus
Published: 2020-10-13
Last modified: 2026-06-17

Description

Trend Micro Antivirus for Mac 2020 (Consumer) has a vulnerability in which a Internationalized Domain Name homograph attack (Puny-code) could be used to add a malicious website to the approved websites list of Trend Micro Antivirus for Mac to bypass the web threat protection feature.

Frequently asked questions

What is CVE-2020-25779?: Trend Micro Antivirus for Mac 2020 (Consumer) has a vulnerability in which a Internationalized Domain Name homograph attack (Puny-code) could be used to add a malicious website to the approved websites list of Trend Micro Antivirus for Mac to bypass the web threat protection feature.
How severe is CVE-2020-25779?: CVE-2020-25779 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2020-25779 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25779?: CVE-2020-25779 affects Trendmicro Antivirus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-25779?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-25779 published?: CVE-2020-25779 was published on 2020-10-13 and last updated on 2026-06-17.

References

https://helpcenter.trendmicro.com/en-us/article/TMKA-09949

Affected products (1)

cpe:2.3:a:trendmicro:antivirus:2020:*:*:*:*:macos:*:*

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