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Symantec CVE-2019-12756

LOW
2019-11-15 secure@symantec.com
2.3
CVSS 3.1 · NVD
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Vulnerability Assessment

Impact

CVSS score of 2.3 (LOW). Attack characteristics: local attack vector, low complexity, high privileges required, no user interaction not required.

Exploit ScenarioDerived

Successful exploitation could compromise the low-severity affected system.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
Patch available 0.3% exploitation probability (EPSS)

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AnalysisAI

Symantec Endpoint Protection (SEP), prior to 14.2 RU2 may be susceptible to a password protection bypass vulnerability whereby the secondary layer of password protection could by bypassed for. Rated low severity (CVSS 2.3), this vulnerability is low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

Symantec Endpoint Protection (SEP), prior to 14.2 RU2 may be susceptible to a password protection bypass vulnerability whereby the secondary layer of password protection could by bypassed for individuals with local administrator rights. Affected products include: Symantec Endpoint Protection. Version information: prior to 14.2.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 2.3 LOW
AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionNVD

Symantec Endpoint Protection (SEP), prior to 14.2 RU2 may be susceptible to a password protection bypass vulnerability whereby the secondary layer of password protection could by bypassed for individuals with local administrator rights.

Threat Intelligence Overview

EPSS Score
0.3%
Top 78% exploitable
Data Quality
2 sources
Confidence: Low

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 LOW
CISA KEV No
Public POC No
EPSS 0.3%
Patch available Yes
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
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
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Low

Priority Score

12
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +12
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:a:symantec:endpoint_protection:11.0:-:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:mr1:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:mr2:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:mr3:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:mr4:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:mr4-mp1a:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:mr4-mp2:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:ru5:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:ru6:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:ru6-mp1:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:ru6-mp2:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:ru6-mp3:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:ru6a:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:ru7:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:ru7-mp1:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:ru7-mp2:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:ru7-mp3:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:ru7-mp4:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:ru7-mp4a:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:12.1:-:*:*:*:*:*:*
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