What is the CVSS score of CVE-2015-2559?

CVE-2015-2559 has a CVSS 2.0 base score of 3.5 (Low). CVSS vector: AV:N/AC:M/Au:S/C:N/I:P/A:N. EPSS exploitation probability: 0.4%.

Debian Linux CVE-2015-2559

LOW

Improper Access Control (CWE-284)

2015-03-25 cve@mitre.org

Authentication Bypass Debian Drupal Debian Linux

3.5

CVSS 2.0 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-284 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V8 - Authorization Access control enforcement MITRE ATT&CK 1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 3.5 (LOW). Attack characteristics: network attack vector, M complexity. EPSS exploitation probability: 0.45%.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the low-severity affected system.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).

No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAI

Drupal 6.x before 6.35 and 7.x before 7.35 allows remote authenticated users to reset the password of other accounts by leveraging an account with the same password hash as another account and a. Rated low severity (CVSS 3.5), this vulnerability is remotely exploitable. 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-284. Drupal 6.x before 6.35 and 7.x before 7.35 allows remote authenticated users to reset the password of other accounts by leveraging an account with the same password hash as another account and a crafted password reset URL. Affected products include: Debian Debian Linux, Drupal. Version information: before 6.35.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 3.5 LOW

AV:N/AC:M/Au:S/C:N/I:P/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Confidentiality

None

Integrity

Availability

None

DescriptionCVE.org

Threat Intelligence Overview

EPSS Score

0.4%

Top 36% 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 LOW

CISA KEV No

Public POC No

EPSS 0.4%

Patch available No

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

Open

Automatable· derived

Human Impact· derived

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +18

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)CVE.org

cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*

cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*

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References

Advisories & patches

ADVISORY https://www.drupal.org/SA-CORE-2015-001 REF http://www.debian.org/security/2015/dsa-3200 REF http://www.securityfocus.com/bid/73219

Search Externally

GitHub PoC

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