What is the CVSS score of CVE-2021-3291?

CVE-2021-3291 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: 16.8%.

Is there a public PoC exploit available for CVE-2021-3291?

Yes, a public proof-of-concept exploit is available for CVE-2021-3291. Prioritise patching immediately. EPSS: 16.8%.

Is there a patch available for CVE-2021-3291?

Yes, a patch is available for CVE-2021-3291. Update the affected software to the latest version immediately.

Zen Cart CVE-2021-3291

HIGH

OS Command Injection (CWE-78)

2021-01-26 cve@mitre.org

Command Injection Zen Cart

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

Jan 26, 2021 - 18:16 nvd

HIGH 7.2

DescriptionNVD

Zen Cart 1.5.7b allows admins to execute arbitrary OS commands by inspecting an HTML radio input element (within the modules edit page) and inserting a command.

AnalysisAI

Zen Cart 1.5.7b allows admins to execute arbitrary OS commands by inspecting an HTML radio input element (within the modules edit page) and inserting a command. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. Zen Cart 1.5.7b allows admins to execute arbitrary OS commands by inspecting an HTML radio input element (within the modules edit page) and inserting a command. Affected products include: Zen-Cart Zen Cart.

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.