CVE-2016-7955

View on CVE.org

Published Mar 15, 2017 CVSS 3.0 · 9.8 Critical EPSS 6.4% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:alienvault:ossim::::::::
	cpe:2.3:a:alienvault:unified_security_management::::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 6.4% (6.407% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.securityfocus.com/archive/1/540224/100/0/threaded
http://www.zerodayinitiative.com/advisories/ZDI-16-517/
https://www.alienvault.com/forums/discussion/7765/alienvault-v5-3-1-hotfix

History

No history.

Subscriptions

Alienvault Ossim Unified Security Management

Weaknesses

CWE-264

Sources

CVE record Updated: Aug 6, 2024, 2:13 AM

Status: PUBLISHED
Assigner: mitre
Published: Mar 15, 2017, 4:00 PM
Updated: Aug 6, 2024, 2:13 AM
Reserved: Sep 9, 2016, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 12:53 AM

Status: Modified
Published: Mar 15, 2017, 4:59 PM
Modified: Jun 17, 2026, 12:53 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-09-09T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-10-09T18:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "20170306 CVE-2016-7955 - Alienvault OSSIM/USM Authentication Bypass", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/540224/100/0/threaded"}, {"tags": ["x_refsource_MISC"], "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-517/"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://www.alienvault.com/forums/discussion/7765/alienvault-v5-3-1-hotfix"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-7955", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "20170306 CVE-2016-7955 - Alienvault OSSIM/USM Authentication Bypass", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/540224/100/0/threaded"}, {"name": "http://www.zerodayinitiative.com/advisories/ZDI-16-517/", "refsource": "MISC", "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-517/"}, {"name": "https://www.alienvault.com/forums/discussion/7765/alienvault-v5-3-1-hotfix", "refsource": "CONFIRM", "url": "https://www.alienvault.com/forums/discussion/7765/alienvault-v5-3-1-hotfix"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T02:13:21.102Z"}, "title": "CVE Program Container", "references": [{"name": "20170306 CVE-2016-7955 - Alienvault OSSIM/USM Authentication Bypass", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/540224/100/0/threaded"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-517/"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.alienvault.com/forums/discussion/7765/alienvault-v5-3-1-hotfix"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2016-7955", "datePublished": "2017-03-15T16:00:00.000Z", "dateReserved": "2016-09-09T00:00:00.000Z", "dateUpdated": "2024-08-06T02:13:21.102Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:alienvault:ossim:*:*:*:*:*:*:*:*", "matchCriteriaId": "867ED22F-84C1-4B1A-8114-F041EAD5BDE8", "versionEndIncluding": "5.3", "vulnerable": true}, {"criteria": "cpe:2.3:a:alienvault:unified_security_management:*:*:*:*:*:*:*:*", "matchCriteriaId": "DF48341B-5B16-46B4-B8AC-D4B64197146F", "versionEndIncluding": "5.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "La funci\u00f3n logcheck en session.inc en AlienVault OSSIM en versiones anteriores a 5.3.1, cuando se ha creado una acci\u00f3n, y USM en versiones anteriores a 5.3.1 permite a atacantes remotos eludir autenticaci\u00f3n y consecuentemente obtener informaci\u00f3n sensible, modificar la aplicaci\u00f3n o ejecutar c\u00f3digo arbitrario como root a trav\u00e9s de una cabecera HTTP de User-Agent \"AV Report Scheduler\"."}], "id": "CVE-2016-7955", "lastModified": "2026-06-17T00:53:50.263", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-03-15T16:59:00.237", "references": [{"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/540224/100/0/threaded"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-517/"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.alienvault.com/forums/discussion/7765/alienvault-v5-3-1-hotfix"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/540224/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.zerodayinitiative.com/advisories/ZDI-16-517/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.alienvault.com/forums/discussion/7765/alienvault-v5-3-1-hotfix"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-264"}], "source": "nvd@nist.gov", "type": "Primary"}]}