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General Parallel File System CVE-2015-0198

CRITICAL
Improper Authentication (CWE-287)
2015-03-24 psirt@us.ibm.com
Authentication Bypass IBM General Parallel File System
10.0
CVSS 2.0 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-287
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK

2 techniques across 2 tactics: Defense Evasion, Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 10.0 (CRITICAL). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 1.27%.
Exploit ScenarioDerived

A remote attacker could bypass authentication mechanisms to gain unauthorized access by sending crafted requests to the affected application.
Act Now Prioritize within 24-48h. Why: CRITICAL severity.
Patch available 1.3% exploitation probability (EPSS)

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AnalysisAI

IBM General Parallel File System (GPFS) 3.4 before 3.4.0.32, 3.5 before 3.5.0.24, and 4.1 before 4.1.0.7 in certain cipherList configurations allows remote attackers to bypass authentication and. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.

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Technical ContextAI · show details

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. IBM General Parallel File System (GPFS) 3.4 before 3.4.0.32, 3.5 before 3.5.0.24, and 4.1 before 4.1.0.7 in certain cipherList configurations allows remote attackers to bypass authentication and execute arbitrary programs as root via unspecified vectors. Affected products include: Ibm General Parallel File System. Version information: before 3.4.0.32.

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Severity by source

NVD PRIMARY 10.0 CRITICAL
AV:N/AC:L/Au:N/C:C/I:C/A:C

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Confidentiality
C
Integrity
C
Availability
C

DescriptionCVE.org

IBM General Parallel File System (GPFS) 3.4 before 3.4.0.32, 3.5 before 3.5.0.24, and 4.1 before 4.1.0.7 in certain cipherList configurations allows remote attackers to bypass authentication and execute arbitrary programs as root via unspecified vectors.

Threat Intelligence Overview

EPSS Score
1.3%
Top 20% 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 CRITICAL
CISA KEV No
Public POC No
EPSS 1.3%
Patch available Yes
Active threat No
Deciding rule
CRITICAL severity
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
No
Human Impact· derived
Medium

Priority Score

51
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +50
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:a:ibm:general_parallel_file_system:3.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:general_parallel_file_system:3.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:general_parallel_file_system:4.1:*:*:*:*:*:*:*

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References

Advisories & patches
PATCH http://www-01.ibm.com/support/docview.wss?uid=isg3T1022062 REF http://www-304.ibm.com/support/docview.wss?uid=swg21902662 REF http://www.securityfocus.com/bid/73278 REF http://www.securitytracker.com/id/1032880

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