What is the CVSS score of CVE-2017-11321?

CVE-2017-11321 has a CVSS 3.1 base score of 7.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 10.5%.

Is there a public PoC exploit available for CVE-2017-11321?

Yes, a public proof-of-concept exploit is available for CVE-2017-11321. Prioritise patching immediately. EPSS: 10.5%.

Wireless Appliance CVE-2017-11321

HIGH

OS Command Injection (CWE-78)

2017-10-03 cve@mitre.org

Command Injection Wireless Appliance

7.2

CVSS 3.1 · NVD

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

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 03, 2017 - 01:29 cve.org

HIGH 7.2

DescriptionCVE.org

The restricted shell interface in UCOPIA Wireless Appliance before 5.1.8 allows remote authenticated users to gain 'admin' privileges via shell metacharacters in the less command.

AnalysisAI

The restricted shell interface in UCOPIA Wireless Appliance before 5.1.8 allows remote authenticated users to gain 'admin' privileges via shell metacharacters in the less command. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 10.5%.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. The restricted shell interface in UCOPIA Wireless Appliance before 5.1.8 allows remote authenticated users to gain 'admin' privileges via shell metacharacters in the less command. Affected products include: Ucopia Wireless Appliance. Version information: before 5.1.8.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.