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Malware Analysis Appliance CVE-2015-4523

CRITICAL
Permissions, Privileges, and Access Controls (CWE-264)
2017-09-11 cve@mitre.org
9.3
CVSS 3.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V8 - Authorization Permission and access control
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 9.3 (CRITICAL). Attack characteristics: local attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 5.49%.

Exploit ScenarioDerived

Successful exploitation could compromise the critical-severity affected system.

Act Now Prioritize within 24-48h. Why: CRITICAL severity + public POC available.
No patch listed yet 5.5% exploitation probability (EPSS)

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AnalysisAI

Blue Coat Malware Analysis Appliance (MAA) before 4.2.5 and Malware Analyzer G2 allow remote attackers to bypass a virtual machine protection mechanism and consequently write to arbitrary files,. Rated critical severity (CVSS 9.3), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-264. Blue Coat Malware Analysis Appliance (MAA) before 4.2.5 and Malware Analyzer G2 allow remote attackers to bypass a virtual machine protection mechanism and consequently write to arbitrary files, cause a denial of service (host reboot or reset to factory defaults), or execute arbitrary code via vectors related to saving files during analysis. Affected products include: Symantec Malware Analysis Appliance, Symantec Malware Analyzer G2. Version information: before 4.2.5.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.3 CRITICAL
AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionCVE.org

Blue Coat Malware Analysis Appliance (MAA) before 4.2.5 and Malware Analyzer G2 allow remote attackers to bypass a virtual machine protection mechanism and consequently write to arbitrary files, cause a denial of service (host reboot or reset to factory defaults), or execute arbitrary code via vectors related to saving files during analysis.

Threat Intelligence Overview

EPSS Score
5.5%
Top 10% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC Yes
EPSS 5.5%
Patch available No
Active threat No
Deciding rule
CRITICAL severity + public POC available
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

71
Low Medium High Critical
KEV: 0
EPSS: +5
CVSS: +46
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:symantec:malware_analysis_appliance:*:*:*:*:*:*:*:*
cpe:2.3:a:symantec:malware_analyzer_g2:*:*:*:*:*:*:*:*

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