CVE-2021-41862

AviatorScript through 5.2.7 allows code execution via an expression that is encoded with Byte Code Engineering Library (BCEL)

published October 1, 2021

CVSS
—
EPSS
2%
Percentile
79.9
In the wild
Unconfirmed
What it is

⚠️ A sneaky little code execution flaw lurks in AviatorScript versions up to 5.2.7, waiting for the right expression to strike! 🔥 Think of it like a chef who trusts every recipe without checking the ingredients. If someone slipped in a secret poison, that dish would go from gourmet to dangerous without anyone noticing! An attacker could potentially execute harmful code through crafted expressions, allowing them to manipulate the system in unauthorized ways. While this vulnerability hasn't been exploited yet, it opens a door to some serious mischief if left unchecked!

Put simply

Think of it like a chef who trusts every recipe without checking the ingredients. If someone slipped in a secret poison, that dish would go from gourmet to dangerous without anyone noticing! This vulnerability arises from how AviatorScript handles expressions encoded with the Byte Code Engineering Library (BCEL), enabling potential remote code execution when crafted expressions are processed.

What to do

An attacker could potentially execute harmful code through crafted expressions, allowing them to manipulate the system in unauthorized ways. While this vulnerability hasn't been exploited yet, it opens a door to some serious mischief if left unchecked! To safeguard your systems, update AviatorScript to the latest version as soon as possible. Regularly audit your code for any instances of unvalidated expressions and ensure proper input sanitization is in place. You've got this! Stay vigilant, patch that code, and keep your systems secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01935 · 79.9th percentile
Published
2021-10-01T23:21Z
EPSS history
Timeline
  • 01 OCT 23:21Z
    AviatorScript through 5.2.7 allows code execution via an expression that is encoded with Byte Code Engineering Library (BCEL)
    cvelistv5