CVE-2016-1991
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...
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 remote authenticated users to conduct unspecified "file download" attacks via unknown vectors.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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 remote authenticated users to conduct unspecified "file download" attacks via unknown vectors.
- Record
CVE-2016-1991- CVSS 3.0
- 8.0 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.0 Medium
AV:N/AC:M/Au:S/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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 remote authenticated users to conduct unspecified "file download" attacks via unknown vectors.
- Record
CVE-2016-1991- Updated
- 2026-11-02
EUVDEUVD-2016-3080 No score
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 remote authenticated users to conduct unspecified "file download" attacks via unknown vectors.
- Record
EUVD-2016-3080- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wqh5-fgx4-grww
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...
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 remote authenticated users to conduct unspecified "file download" attacks via unknown vectors.
- Record
GHSA-wqh5-fgx4-grww- CVSS 3.0
- 8.0 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-1991 is a high vulnerability (CVSS 8.0) in Microfocus Arcsight Enterprise Security Manager, published March 16, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.57%, the 75th percentile. No source names a fixed version.