What is the CVSS score of CVE-2021-43283?

CVE-2021-43283 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 5.4%.

Is there a public PoC exploit available for CVE-2021-43283?

Yes, a public proof-of-concept exploit is available for CVE-2021-43283. Prioritise patching immediately. EPSS: 5.4%.

Wr1200 Firmware CVE-2021-43283

HIGH

OS Command Injection (CWE-78)

2021-11-30 cve@mitre.org

Command Injection Wr1200 Firmware

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Nov 30, 2021 - 19:15 nvd

HIGH 8.8

DescriptionNVD

An issue was discovered on Victure WR1200 devices through 1.0.3. A command injection vulnerability was found within the web interface of the device, allowing an attacker with valid credentials to inject arbitrary shell commands to be executed by the device with root privileges. This occurs in the ping and traceroute features. An attacker would thus be able to use this vulnerability to open a reverse shell on the device with root privileges.

AnalysisAI

An issue was discovered on Victure WR1200 devices through 1.0.3. Rated high severity (CVSS 8.8), 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. An issue was discovered on Victure WR1200 devices through 1.0.3. A command injection vulnerability was found within the web interface of the device, allowing an attacker with valid credentials to inject arbitrary shell commands to be executed by the device with root privileges. This occurs in the ping and traceroute features. An attacker would thus be able to use this vulnerability to open a reverse shell on the device with root privileges. Affected products include: Govicture Wr1200 Firmware. Version information: through 1.0.3..

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.