Adobe Flash Player Use-After-Free Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

HIGH

7.8 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation Likelihood

93.31 %

Predictive Probability

Percentile Rank

99.8 th

Documented as more likely to be exploited than 99.8% of known CVEs.

Detection Date

Nov 03, 2021

Remediation Due

May 03, 2022

CISA Catalog Active

Threat Analysis

Adobe Flash Player contains a use-after-free vulnerability that could allow for code execution.

The impacted product is end-of-life and should be disconnected if still in use.

Vendor Identity

Adobe

Affected Product

Flash Player

Ransomware Status

Campaign Use Known

Weakness Classification

CWE-416

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2018-4878