CVE-2020-35729

KLog Server 2.4.1 allows OS command injection via shell metacharacters in the actions/authenticate.php user parameter

published December 27, 2020

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.8th percentile for exploit probability.

CVSS
—
EPSS
88%
Percentile
99.8
In the wild
Unconfirmed
What it is

⚠️ A crafty command injection lurks in KLog Server 2.4.1, sneaking through the actions/authenticate.php user parameter! Think of it as a restaurant where the chef inadvertently takes orders written on napkins — if a customer slips in a sneaky request, they might get anything cooked up in the kitchen without checks! An attacker could potentially run any OS command, gaining unauthorized access to sensitive data or even manipulating server operations. Imagine a rogue chef serving up chaos! ⚡

Put simply

Think of it as a restaurant where the chef inadvertently takes orders written on napkins — if a customer slips in a sneaky request, they might get anything cooked up in the kitchen without checks! This vulnerability allows an attacker to inject commands through user input on a PHP script, exploiting the way the server processes those inputs. A simple string of shell metacharacters could spell disaster!

What to do

An attacker could potentially run any OS command, gaining unauthorized access to sensitive data or even manipulating server operations. Imagine a rogue chef serving up chaos! ⚡ To safeguard against this, immediately update to KLog Server version 2.4.2 or later. Additionally, sanitize all user input to prevent command injection and review your authentication mechanisms. You've got this! Follow these steps and tighten up security like a pro! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.88099 · 99.8th percentile
Published
2020-12-27T04:40Z
EPSS history
Timeline
  • 27 DEC 04:40Z
    KLog Server 2.4.1 allows OS command injection via shell metacharacters in the actions/authenticate.php user parameter
    cvelistv5