SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2018-15982

Adobe Flash Player Use-After-Free Vulnerability

KEVHIGH 7.8EPSS 89.1%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 15 August 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Flash Player versions 31.0.0.153 and earlier, and 31.0.0.108 and earlier have a use after free vulnerability. Successful exploitation could lead to arbitrary code execution.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
89.15% probability · 100th percentile
CISA KEV
Listed 15 February 2022 · due 15 August 2022 · used in ransomware campaigns
Weakness
CWE-416
Affected
adobe/flash player · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux workstation · adobe/flash player installer
Source
psirt@adobe.com

CISA notes

The impacted product is end-of-life and should be disconnected if still in use. https://nvd.nist.gov/vuln/detail/CVE-2018-15982

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.