How severe is CVE-2016-8584?

CVE-2016-8584 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-8584 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8584?

CVE-2016-8584 affects Trendmicro Threat Discovery Appliance. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-8584?

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

When was CVE-2016-8584 published?

CVE-2016-8584 was published on 2017-04-28 and last updated on 2026-06-17.

CVE-2016-8584

CVE-2016-8584 is a critical-severity vulnerability in Trendmicro Threat Discovery Appliance with a CVSS 3.x base score of 9.8. 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-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Trendmicro Threat Discovery Appliance
Published: 2017-04-28
Last modified: 2026-06-17

Description

Trend Micro Threat Discovery Appliance 2.6.1062r1 and earlier uses predictable session values, which allows remote attackers to bypass authentication by guessing the value.

Frequently asked questions

What is CVE-2016-8584?: Trend Micro Threat Discovery Appliance 2.6.1062r1 and earlier uses predictable session values, which allows remote attackers to bypass authentication by guessing the value.
How severe is CVE-2016-8584?: CVE-2016-8584 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-8584 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8584?: CVE-2016-8584 affects Trendmicro Threat Discovery Appliance. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-8584?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-8584 published?: CVE-2016-8584 was published on 2017-04-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:trendmicro:threat_discovery_appliance:*:r1:*:*:*:*:*:*

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