What is the CVSS score of CVE-2016-1542?

CVE-2016-1542 has a CVSS 3.0 base score of 7.5 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 71.3%.

Is there a public PoC exploit available for CVE-2016-1542?

Yes, a public proof-of-concept exploit is available for CVE-2016-1542. Prioritise patching immediately. EPSS: 71.3%.

Is there a patch available for CVE-2016-1542?

Yes, a patch is available for CVE-2016-1542. Update the affected software to the latest version immediately.

Bmc CVE-2016-1542

HIGH

Improper Input Validation (CWE-20)

2016-06-13 cret@cert.org

Authentication Bypass Bmc Bladelogic Server Automation Console

7.5

CVSS 3.0 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-20 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V2 - Validation and Business Logic Input validation, allowlisting
Impact	CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 71.27%.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

Act Now Prioritize within 24-48h. Why: HIGH severity + EPSS > 10%.

Patch available 71.3% exploitation probability (EPSS)

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AnalysisAI

The RPC API in RSCD agent in BMC BladeLogic Server Automation (BSA) 8.2.x, 8.3.x, 8.5.x, 8.6.x, and 8.7.x on Linux and UNIX allows remote attackers to bypass authorization and enumerate users by. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 71.3%.

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.

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-20. The RPC API in RSCD agent in BMC BladeLogic Server Automation (BSA) 8.2.x, 8.3.x, 8.5.x, 8.6.x, and 8.7.x on Linux and UNIX allows remote attackers to bypass authorization and enumerate users by sending an action packet to xmlrpc after an authorization failure. Affected products include: Bmc Bladelogic Server Automation Console.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH

AV:N/AC:L/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

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

DescriptionCVE.org

Threat Intelligence Overview

Threat Score

5.1/10

Composite threat intelligence

EPSS Score

71.3%

Top 1% exploitable

Exploit

POC

Public exploit code exists

Data Quality

5 sources

Confidence: Medium

NVD

CVE.org

EPSS POC (1)

Exploit-DB

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 Yes

EPSS 71.3%

Patch available Yes

Active threat Yes

Deciding rule

HIGH severity + EPSS > 10%

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

Immediate

Exploitation· derived

Active

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

High

Priority Score

144

Low Medium High Critical

KEV: 0

EPSS: +71

CVSS: +38

PoC: +20

Weaponized: +15

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:bmc:bladelogic_server_automation_console:8.2.02:*:*:*:*:*:*:*

cpe:2.3:a:bmc:bladelogic_server_automation_console:8.2.03:*:*:*:*:*:*:*

cpe:2.3:a:bmc:bladelogic_server_automation_console:8.2.04:*:*:*:*:*:*:*

cpe:2.3:a:bmc:bladelogic_server_automation_console:8.3.00:*:*:*:*:*:*:*

cpe:2.3:a:bmc:bladelogic_server_automation_console:8.3.01:*:*:*:*:*:*:*

cpe:2.3:a:bmc:bladelogic_server_automation_console:8.3.02:*:*:*:*:*:*:*

cpe:2.3:a:bmc:bladelogic_server_automation_console:8.3.03:*:*:*:*:*:*:*

cpe:2.3:a:bmc:bladelogic_server_automation_console:8.5.00:*:*:*:*:*:*:*

cpe:2.3:a:bmc:bladelogic_server_automation_console:8.5.01:*:*:*:*:*:*:*

cpe:2.3:a:bmc:bladelogic_server_automation_console:8.6.00:*:*:*:*:*:*:*

cpe:2.3:a:bmc:bladelogic_server_automation_console:8.7.00:*:*:*:*:*:*:*

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References

Advisories & patches

PATCH https://selfservice.bmc.com/casemgmt/sc_KnowledgeArticle?sfdcid=kA214000000dBpnCAE&type=Solution REF http://packetstormsecurity.com/files/136461/BMC-Server-Automation-BSA-RSCD-Agent-User-Enumeration.html REF http://www.securityfocus.com/archive/1/537909/100/0/threaded REF https://www.insinuator.net/2016/03/bmc-bladelogic-cve-2016-1542-and-cve-2016-1543/

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