What is the CVSS score of CVE-2021-43857?

CVE-2021-43857 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: 55.3%.

Is there a public PoC exploit available for CVE-2021-43857?

Yes, a public proof-of-concept exploit is available for CVE-2021-43857. Prioritise patching immediately. EPSS: 55.3%.

Is there a patch available for CVE-2021-43857?

Yes, a patch is available for CVE-2021-43857. Update the affected software to the latest version immediately.

Gerapy CVE-2021-43857

HIGH

OS Command Injection (CWE-78)

2021-12-27 security-advisories@github.com

RCE Command Injection Gerapy

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

Dec 27, 2021 - 19:15 nvd

HIGH 8.8

DescriptionNVD

Gerapy is a distributed crawler management framework. Gerapy prior to version 0.9.8 is vulnerable to remote code execution, and this issue is patched in version 0.9.8.

AnalysisAI

Gerapy is a distributed crawler management framework. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code 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. Gerapy is a distributed crawler management framework. Gerapy prior to version 0.9.8 is vulnerable to remote code execution, and this issue is patched in version 0.9.8. Affected products include: Gerapy. Version information: version 0.9.8.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.