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Virusscan Enterprise CVE-2016-8021

MEDIUM
Improper Verification of Cryptographic Signature (CWE-347)
2017-03-14 secure@intel.com
5.0
CVSS 3.0 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A04:2025 - Cryptographic Failures
ASVS 5.0
V11 - Cryptography Signature verification
Impact

CVSS score of 5.0 (MEDIUM). Attack characteristics: local attack vector, low complexity, low privileges required, user interaction required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 2.85%.

Exploit ScenarioDerived

Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 2.8% exploitation probability (EPSS)

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AnalysisAI

Improper verification of cryptographic signature vulnerability in Intel Security VirusScan Enterprise Linux (VSEL) 2.0.3 (and earlier) allows remote authenticated users to spoof update server and. Rated medium severity (CVSS 5.0), this vulnerability is 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-347. Improper verification of cryptographic signature vulnerability in Intel Security VirusScan Enterprise Linux (VSEL) 2.0.3 (and earlier) allows remote authenticated users to spoof update server and execute arbitrary code via a crafted input file. Affected products include: Mcafee Virusscan Enterprise.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.0 MEDIUM
AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionCVE.org

Improper verification of cryptographic signature vulnerability in Intel Security VirusScan Enterprise Linux (VSEL) 2.0.3 (and earlier) allows remote authenticated users to spoof update server and execute arbitrary code via a crafted input file.

Threat Intelligence Overview

EPSS Score
2.8%
Top 14% 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 MEDIUM
CISA KEV No
Public POC Yes
EPSS 2.8%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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

48
Low Medium High Critical
KEV: 0
EPSS: +3
CVSS: +25
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

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

Affected Products (CPE)CVE.org

cpe:2.3:a:mcafee:virusscan_enterprise:*:*:*:*:*:linux:*:*
CVE-2016-8023 HIGH POC
8.1 Mar 14

Authentication bypass by assumed-immutable data vulnerability in Intel Security VirusScan Enterprise Linux (VSEL) 2.0.3

CVE-2016-8024 HIGH POC
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Improper neutralization of CRLF sequences in HTTP headers vulnerability in Intel Security VirusScan Enterprise Linux (VS

CVE-2016-8022 HIGH POC
7.5 Mar 14

Authentication bypass by spoofing vulnerability in Intel Security VirusScan Enterprise Linux (VSEL) 2.0.3 (and earlier)

CVE-2016-8020 HIGH POC
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Improper control of generation of code vulnerability in Intel Security VirusScan Enterprise Linux (VSEL) 2.0.3 (and earl

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Special element injection vulnerability in Intel Security VirusScan Enterprise Linux (VSEL) 2.0.3 (and earlier) allows a

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SQL injection vulnerability in Intel Security VirusScan Enterprise Linux (VSEL) 2.0.3 (and earlier) allows remote authen

CVE-2016-8019 MEDIUM POC
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Cross-site scripting (XSS) vulnerability in attributes in Intel Security VirusScan Enterprise Linux (VSEL) 2.0.3 (and ea

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3.4 Mar 14

Information exposure in Intel Security VirusScan Enterprise Linux (VSEL) 2.0.3 (and earlier) allows authenticated remote

CVE-2016-3984 MEDIUM POC
5.1 Apr 08

The McAfee VirusScan Console (mcconsol.exe) in McAfee Active Response (MAR) before 1.1.0.161, Agent (MA) 5.x before 5.0.

CVE-2020-7267 HIGH
8.4 May 08

Privilege Escalation vulnerability in McAfee VirusScan Enterprise (VSE) for Linux prior to 2.0.3 Hotfix 2635000 allows l

CVE-2020-7266 HIGH
8.4 May 08

Privilege Escalation vulnerability in McAfee VirusScan Enterprise (VSE) for Windows prior to 8.8 Patch 14 Hotfix 116778

CVE-2016-8018 MEDIUM POC
4.3 Mar 14

Cross-site request forgery (CSRF) vulnerability in Intel Security VirusScan Enterprise Linux (VSEL) 2.0.3 (and earlier)

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