What is the CVSS score of CVE-2018-2587?

CVE-2018-2587 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N. EPSS exploitation probability: 2.0%.

Is there a patch available for CVE-2018-2587?

Yes, a patch is available for CVE-2018-2587. Update the affected software to the latest version immediately.

Access Manager CVE-2018-2587

MEDIUM

2018-04-19 secalert_us@oracle.com

Authentication Bypass Oracle Access Manager Adaptive Access Manager

6.5

CVSS 3.1 · NVD

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Vulnerability Assessment

Impact	CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 2.0% exploitation probability (EPSS)

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AnalysisAI

Vulnerability in the Oracle Access Manager component of Oracle Fusion Middleware (subcomponent: Web Server Plugin). Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required.

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

Technical ContextAI · show details

Vulnerability in the Oracle Access Manager component of Oracle Fusion Middleware (subcomponent: Web Server Plugin). Supported versions that are affected are 10.1.4.3.0, 11.1.2.3.0 and 12.2.1.3.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Access Manager. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Access Manager accessible data as well as unauthorized read access to a subset of Oracle Access Manager accessible data. CVSS 3.0 Base Score 6.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N). Affected products include: Oracle Access Manager, Oracle Adaptive Access Manager.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

High

Availability

None

DescriptionNVD

Threat Intelligence Overview

EPSS Score

2.0%

Top 21% exploitable

Data Quality

2 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 MEDIUM

CISA KEV No

Public POC No

EPSS 2.0%

Patch available Yes

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

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +2

CVSS: +32

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

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

Affected Products (CPE)NVD

cpe:2.3:a:oracle:access_manager:10.1.4.3.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:access_manager:11.1.2.3.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:access_manager:12.2.1.3.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:adaptive_access_manager:11.1.2.3.0:*:*:*:*:*:*:*

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References

Advisories & patches

PATCH http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html REF http://www.securityfocus.com/bid/103822 REF http://www.securitytracker.com/id/1040695 REF https://www.oracle.com/security-alerts/cpujan2021.html

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GitHub PoC

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