What is the CVSS score of CVE-2017-12756?

CVE-2017-12756 has a CVSS 3.0 base score of 7.2 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.5%.

Extplorer CVE-2017-12756

HIGH

Command Injection (CWE-77)

2017-08-09 cve@mitre.org

Command Injection Extplorer

7.2

CVSS 3.0 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-77 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization Command injection prevention MITRE ATT&CK 1 technique across 1 tactic: Execution 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 7.2 (HIGH). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required. EPSS exploitation probability: 0.51%.
Exploit ScenarioDerived	A remote attacker could inject arbitrary commands into system command execution by sending crafted requests to the affected application.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.5% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

Command inject in transfer from another server in extplorer 2.1.9 and prior allows attacker to inject command via the userfile[0] parameter. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.

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 as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. Command inject in transfer from another server in extplorer 2.1.9 and prior allows attacker to inject command via the userfile[0] parameter. Affected products include: Extplorer.

Know when Extplorer gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 7.2 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

Command inject in transfer from another server in extplorer 2.1.9 and prior allows attacker to inject command via the userfile[0] parameter.

Threat Intelligence Overview

EPSS Score

0.5%

Top 34% 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 HIGH

CISA KEV No

Public POC No

EPSS 0.5%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

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: +1

CVSS: +36

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

OS Command Injection CRITICAL

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)CVE.org

cpe:2.3:a:extplorer:extplorer:*:*:*:*:*:*:*:*

More in Extplorer

View all

CVE-2023-54335 CRITICAL Act Now POC

9.3 Jan 13

Unauthenticated remote attackers can bypass authentication in eXtplorer 2.1.14 by manipulating the login request so pass

CVE-2023-29657 HIGH This Week POC

8.8 May 12

eXtplorer 2.1.15 is vulnerable to Insecure Permissions. Rated high severity (CVSS 8.8), this vulnerability is remotely e

CVE-2023-27842 HIGH This Week POC

8.8 Mar 21

Insecure Permissions vulnerability found in Extplorer File manager eXtplorer v.2.1.15 allows a remote attacker to execut

CVE-2016-4313 HIGH This Week POC

7.8 Apr 24

Directory traversal vulnerability in unzip/extract feature in eXtplorer 2.1.9 allows remote attackers to execute arbitra

CVE-2012-3362 MEDIUM This Month POC

6.8 Jul 12

Cross-site request forgery (CSRF) vulnerability in eXtplorer 2.1 RC3 and earlier allows remote attackers to hijack the a

CVE-2025-13058 MEDIUM This Month POC

5.1 Nov 12

A security flaw has been discovered in soerennb eXtplorer up to 2.1.15. Rated medium severity (CVSS 5.1), this vulnerabi

CVE-2015-5660 MEDIUM This Month

6.8 Oct 16

Cross-site request forgery (CSRF) vulnerability in eXtplorer before 2.1.8 allows remote attackers to hijack the authenti

CVE-2013-5951 LOW Monitor POC

2.6 Mar 25

Multiple cross-site scripting (XSS) vulnerabilities in eXtplorer 2.1.3, when used as a component for Joomla!, allow remo

CVE-2023-40628 MEDIUM This Month

6.1 Dec 14

A reflected XSS vulnerability was discovered in the Extplorer component for Joomla. Rated medium severity (CVSS 6.1), th

CVE-2015-0896 MEDIUM This Month

4.3 Mar 18

Multiple cross-site scripting (XSS) vulnerabilities in eXtplorer before 2.1.7 allow remote attackers to inject arbitrary

CVE-2012-3454 LOW Monitor

3.6 Aug 07

eXtplorer 2.1.0b6 uses world writable permissions for the /var/lib/extplorer/ftp_tmp directory, which allows local users

Same weakness CWE-77 – Command Injection

View all

CVE-2024-21887 CRITICAL POC

9.1

CVE-2016-3081 HIGH POC

8.1

CVE-2012-1823 CRITICAL POC

9.8

CVE-2016-1555 CRITICAL POC

9.8

CVE-2024-55956 CRITICAL POC

9.8

CVE-2015-2051 HIGH POC

8.8

CVE-2017-6327 HIGH POC

8.8

CVE-2023-34960 CRITICAL POC

9.8

Same technique Command Injection

View all

CVE-2019-15107 CRITICAL POC

9.8

CVE-2024-51378 CRITICAL POC

9.8

CVE-2014-6271 CRITICAL POC

9.8

References

Advisories & patches

ADVISORY http://extplorer.net/news/21

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back