CVE-2016-7955

critical

Description

The logcheck function in session.inc in AlienVault OSSIM before 5.3.1, when an action has been created, and USM before 5.3.1 allows remote attackers to bypass authentication and consequently obtain sensitive information, modify the application, or execute arbitrary code as root via an "AV Report Scheduler" HTTP User-Agent header.

References

https://www.alienvault.com/forums/discussion/7765/alienvault-v5-3-1-hotfix

http://www.zerodayinitiative.com/advisories/ZDI-16-517/

http://www.securityfocus.com/archive/1/540224/100/0/threaded

Details

Source: Mitre, NVD

Published: 2017-03-15

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.11179