CVE-2016-8581

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Summary

CVECVE-2016-8581
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-10-28 15:59:05 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionA persistent XSS vulnerability exists in the User-Agent header of the login process of AlienVault OSSIM and USM before 5.3.2 that allows an attacker to steal session IDs of logged in users when the current sessions are viewed by an administrator.

Risk And Classification

Primary CVSS: v3.0 6.1 MEDIUM from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.681510000 probability, percentile 0.986140000 (date 2026-05-09)

Problem Types: CWE-79 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary6.1MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
2.0[email protected]Primary4.3AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None

AV:N/AC:M/Au:N/C:N/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Alienvault Open Source Security Information And Event Management All All All All
Application Alienvault Unified Security Management All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Alienvault OSSIM/USM CVE-2016-8581 HTML Injection Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Security Advisory - AlienVault 5.3.2 address 70 vulnerabilities - AlienVault Community Forums af854a3a-2127-422b-91ae-364da2661108 www.alienvault.com Vendor Advisory
Alienvault OSSIM/USM 5.3.1 - Persistent Cross-Site Scripting - PHP webapps Exploit af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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