What is the CVSS score of CVE-2015-8642?

CVE-2015-8642 has a CVSS 3.0 base score of 8.8 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 5.0%.

Is there a patch available for CVE-2015-8642?

Yes, a patch is available for CVE-2015-8642. Update the affected software to the latest version immediately.

Flash Player CVE-2015-8642

HIGH

2015-12-28 psirt@adobe.com

RCE Microsoft Adobe Flash Player Air Air Sdk Air Sdk Compiler

8.8

CVSS 3.0 · NVD

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Vulnerability Assessment

Impact	CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. EPSS exploitation probability: 5.04%.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 5.0% exploitation probability (EPSS)

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AnalysisAI

Use-after-free vulnerability in Adobe Flash Player before 18.0.0.324 and 19.x and 20.x before 20.0.0.267 on Windows and OS X and before 11.2.202.559 on Linux, Adobe AIR before 20.0.0.233, Adobe AIR. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, 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

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

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Technical ContextAI · show details

Use-after-free vulnerability in Adobe Flash Player before 18.0.0.324 and 19.x and 20.x before 20.0.0.267 on Windows and OS X and before 11.2.202.559 on Linux, Adobe AIR before 20.0.0.233, Adobe AIR SDK before 20.0.0.233, and Adobe AIR SDK & Compiler before 20.0.0.233 allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2015-8634, CVE-2015-8635, CVE-2015-8638, CVE-2015-8639, CVE-2015-8640, CVE-2015-8641, CVE-2015-8643, CVE-2015-8646, CVE-2015-8647, CVE-2015-8648, CVE-2015-8649, and CVE-2015-8650. Affected products include: Adobe Flash Player, Adobe Air Sdk, Adobe Air Sdk \& Compiler, Adobe Air. Version information: before 18.0.0.324.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.8 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

Use-after-free vulnerability in Adobe Flash Player before 18.0.0.324 and 19.x and 20.x before 20.0.0.267 on Windows and OS X and before 11.2.202.559 on Linux, Adobe AIR before 20.0.0.233, Adobe AIR SDK before 20.0.0.233, and Adobe AIR SDK & Compiler before 20.0.0.233 allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2015-8634, CVE-2015-8635, CVE-2015-8638, CVE-2015-8639, CVE-2015-8640, CVE-2015-8641, CVE-2015-8643, CVE-2015-8646, CVE-2015-8647, CVE-2015-8648, CVE-2015-8649, and CVE-2015-8650.

Threat Intelligence Overview

EPSS Score

5.0%

Top 10% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

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 HIGH

CISA KEV No

Public POC No

EPSS 5.0%

Patch available Yes

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

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

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +5

CVSS: +44

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Remote Code Execution CRITICAL

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:adobe:flash_player:*:*:*:*:*:*:*:*

cpe:2.3:a:adobe:flash_player:19.0.0.185:*:*:*:*:*:*:*

cpe:2.3:a:adobe:flash_player:19.0.0.207:*:*:*:*:*:*:*

cpe:2.3:a:adobe:flash_player:19.0.0.226:*:*:*:*:*:*:*

cpe:2.3:a:adobe:flash_player:19.0.0.245:*:*:*:*:*:*:*

cpe:2.3:a:adobe:flash_player:20.0.0.228:*:*:*:*:*:*:*

cpe:2.3:a:adobe:flash_player:20.0.0.235:*:*:*:*:*:*:*

cpe:2.3:a:adobe:air_sdk:*:*:*:*:*:*:*:*

cpe:2.3:a:adobe:air_sdk_\&_compiler:*:*:*:*:*:*:*:*

cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*

cpe:2.3:a:adobe:air:*:*:*:*:*:*:*:*

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References

Advisories & patches

PATCH https://helpx.adobe.com/security/products/flash-player/apsb16-01.html REF http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00045.html REF http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00046.html REF http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00047.html REF http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00048.html REF http://rhn.redhat.com/errata/RHSA-2015-2697.html REF http://www.securityfocus.com/bid/79701 REF http://www.securitytracker.com/id/1034544 REF https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05356388 REF https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05385680 REF https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722 REF https://security.gentoo.org/glsa/201601-03

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