How severe is CVE-2016-1990?

CVE-2016-1990 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-2016-1990 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1990?

CVE-2016-1990 primarily affects Microfocus Arcsight Enterprise Security Manager. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-1990?

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-2016-1990 published?

CVE-2016-1990 was published on 2016-03-16 and last updated on 2026-06-17.

CVE-2016-1990

CVE-2016-1990 is a high-severity vulnerability in Microfocus Arcsight Enterprise Security Manager 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-264.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.3
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Microfocus Arcsight Enterprise Security Manager
Published: 2016-03-16
Last modified: 2026-06-17

Description

HPE ArcSight ESM 5.x before 5.6, 6.0, 6.5.x before 6.5C SP1 Patch 2, and 6.8c before P1, and ArcSight ESM Express before 6.9.1, allows local users to gain privileges for command execution via unspecified vectors.

Frequently asked questions

What is CVE-2016-1990?: HPE ArcSight ESM 5.x before 5.6, 6.0, 6.5.x before 6.5C SP1 Patch 2, and 6.8c before P1, and ArcSight ESM Express before 6.9.1, allows local users to gain privileges for command execution via unspecified vectors.
How severe is CVE-2016-1990?: CVE-2016-1990 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-2016-1990 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1990?: CVE-2016-1990 primarily affects Microfocus Arcsight Enterprise Security Manager. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-1990?: 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-2016-1990 published?: CVE-2016-1990 was published on 2016-03-16 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:microfocus:arcsight_enterprise_security_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:arcsight_enterprise_security_manager:6.0:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:arcsight_enterprise_security_manager:6.5:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:arcsight_enterprise_security_manager:6.8:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:arcsight_enterprise_security_manager:6.9:*:*:*:express:*:*:*

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