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Netbackup CVE-2015-6551

MEDIUM
Information Exposure (CWE-200)
2016-05-07 secure@symantec.com
Information Disclosure Microsoft Netbackup Netbackup Appliance Veritas
5.9
CVSS 3.0 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-200
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK

2 techniques across 2 tactics: Collection, Discovery

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 5.9 (MEDIUM). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.30%.
Exploit ScenarioDerived

A remote attacker could access sensitive data that should not be disclosed by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAI

Veritas NetBackup 7.x through 7.5.0.7 and 7.6.0.x through 7.6.0.4 and NetBackup Appliance through 2.5.4 and 2.6.0.x through 2.6.0.4 do not use TLS for administration-console traffic to the NBU. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. Veritas NetBackup 7.x through 7.5.0.7 and 7.6.0.x through 7.6.0.4 and NetBackup Appliance through 2.5.4 and 2.6.0.x through 2.6.0.4 do not use TLS for administration-console traffic to the NBU server, which allows remote attackers to obtain sensitive information by sniffing the network for key-exchange packets. Affected products include: Veritas Netbackup Appliance, Veritas Netbackup. Version information: through 7.5.0.7.

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Severity by source

NVD PRIMARY 5.9 MEDIUM
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/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
High
Integrity
None
Availability
None

DescriptionCVE.org

Veritas NetBackup 7.x through 7.5.0.7 and 7.6.0.x through 7.6.0.4 and NetBackup Appliance through 2.5.4 and 2.6.0.x through 2.6.0.4 do not use TLS for administration-console traffic to the NBU server, which allows remote attackers to obtain sensitive information by sniffing the network for key-exchange packets.

Threat Intelligence Overview

EPSS Score
0.3%
Top 47% 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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
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
No
Human Impact· derived
Medium

Priority Score

30
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +30
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:a:veritas:netbackup_appliance:1.1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:1.1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:1.2:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:2.0:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:2.5:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:2.5.3:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:2.6:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:2.6.0.2:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:2.6.0.3:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:2.6.0.4:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:2.6.1:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:2.6.1.1:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:2.6.1.2:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup_appliance:2.7.1:*:*:*:*:*:*:*
cpe:2.3:a:veritas:netbackup:7.0:*:*:*:*:*:*:*
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References

Advisories & patches
ADVISORY https://www.veritas.com/content/support/en_US/security/VTS16-001.html REF http://www.securitytracker.com/id/1035704

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