CVE-2016-8581

Name: CVE-2016-8581
Creator: NVD / NIST
Published: 2016-10-28T15:59:05.047+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 17.06%

Last modified Jun 17, 2026

CVE-2016-8581 is a vulnerability of currently unknown severity. A 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.. EPSS estimates a 17.06% chance of exploitation in the next 30 days.

Description

A 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.

Metrics

EPSS Probability

17.06%

96.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Alienvault	Open Source Security Information And Event Management	<= 5.3.1
Alienvault	Unified Security Management	<= 5.3.1

References

Timeline

Published: Oct 28, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-8581?

How severe is CVE-2016-8581?

Severity scoring for CVE-2016-8581 is pending analysis. The EPSS model estimates a 17.06% probability of exploitation in the next 30 days.

How do I fix CVE-2016-8581?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-8581?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST