The logcheck function in session.inc in AlienVault OSSIM before 5.3.1, when an action has…
Priority MEDIUM 51CWE-264Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
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.
Why it matters now
EPSS 0.06407 93rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:alienvault:ossim:*:*:*:*:*:*:*:* | up to 5.3 | Vulnerable | Alienvault |
| cpe:2.3:a:alienvault:unified_security_management:*:*:*:*:*:*:*:* | up to 5.3 | Vulnerable | Alienvault |
- cpe:2.3:a:alienvault:ossim:*:*:*:*:*:*:*:* Versions up to 5.3 Vulnerable ·Alienvault
- cpe:2.3:a:alienvault:unified_security_management:*:*:*:*:*:*:*:* Versions up to 5.3 Vulnerable ·Alienvault
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-7955
- 2026-10-03 Alias added: GHSA-hx3v-mmq4-4qmx
References
More Alienvault Ossim vulnerabilities
- TI-2017-04680 AlienVault USM and OSSIM before 5.3.7 and NfSen before 1.3.8 have an error in privilege… CVSS 3.0CRITICAL 9.8
- TI-2017-04679 AlienVault USM and OSSIM before 5.3.7 and NfSen before 1.3.8 allow remote authenticated… CVSS 3.0HIGH 8.8
- TI-2017-04678 AlienVault USM and OSSIM before 5.3.7 and NfSen before 1.3.8 allow local users to execute… CVSS 3.0HIGH 8.4
- TI-2009-03278 Multiple SQL injection vulnerabilities in Open Source Security Information Management… CVSS 2.0MEDIUM 6.5
- TI-2009-03280 Open Source Security Information Management (OSSIM) before 2.1.2 allows remote attackers… CVSS 2.0MEDIUM 5.0
- TI-2009-03279 Cross-site scripting (XSS) vulnerability in Open Source Security Information Management… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2016-7955 · CVE Program
- CVE-2016-7955 · NVD
- FIRST EPSS
- GHSA-hx3v-mmq4-4qmx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences