CVE-2021-43857CWE-78

Gerapy may contain remote code execution vulnerability

Critical · published December 27, 2021

Patch now

High probability of exploitation

CVSS calls it critical at 9.8. It sits in the 99.0th percentile for exploit probability.

CVSS v3.1
9.8
EPSS
55%
Percentile
99.0
In the wild
Unconfirmed
What it is

🚨 A single vulnerable version is all it takes for attackers to execute commands remotely! Gerapy, the distributed crawler management framework, is at risk with versions prior to 0.9.8. 🔥 Think of Gerapy like a bustling restaurant kitchen where anyone can walk in and cook whatever they want without supervision — dangerous, right? If an attacker gains access, they could whip up a storm that disrupts everything! An attacker could exploit this vulnerability to run arbitrary code on your server, potentially taking control of your system and causing absolutely devastating damage. Imagine losing sensitive data or having your entire crawler network hijacked!

Put simply

Think of Gerapy like a bustling restaurant kitchen where anyone can walk in and cook whatever they want without supervision — dangerous, right? If an attacker gains access, they could whip up a storm that disrupts everything! This remote code execution vulnerability in Gerapy arises from insufficient input validation, allowing attackers to send crafted requests that the server blindly executes. Essentially, it’s like sending a recipe that the kitchen staff follows without checking it first.

What to do

An attacker could exploit this vulnerability to run arbitrary code on your server, potentially taking control of your system and causing absolutely devastating damage. Imagine losing sensitive data or having your entire crawler network hijacked! To protect yourself, upgrade Gerapy to version 0.9.8 immediately. Additionally, audit your setup to ensure no unauthorized access has been granted and monitor your logs for any suspicious activity. You've got this! Just follow the steps and you’ll have your system secure in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.55331 · 99.0th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2021-12-27T18:30Z
EPSS history
Timeline
  • 27 DEC 18:30Z
    Gerapy may contain remote code execution vulnerability
    cvelistv5