Is CVE-2015-5123 actively exploited?

Yes. CVE-2015-5123 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2015-5123 be exploited remotely?

The attack vector of CVE-2015-5123 has not been classified yet.

What is the CVSS score of CVE-2015-5123?

CVE-2015-5123 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2015-5123

HIGHCISA KEVIN THE WILD

CVE-2015-5123

Published: April 13, 2022

EPSS:47.56%probability of exploitation in 30 daysPercentile:97.6th

Official Description

Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3) implementation in Adobe Flash Player allows remote attackers to execute code or cause a denial-of-service (DoS).

NVD Source

CISA KEV Advisory

Adobe Flash Player Use-After-Free Vulnerability

Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3) implementation in Adobe Flash Player allows remote attackers to execute code or cause a denial-of-service (DoS).

Added to KEV: 2022-04-13Federal patch deadline: 2022-05-04

Required Action (CISA)

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

Risk Analysis

This use-after-free vulnerability in the BitmapData class of Adobe Flash Player's ActionScript 3 implementation could allow remote attackers to execute arbitrary code or cause a denial-of-service. With a high EPSS score of 0.47561 and its presence in CISA's KEV, this vulnerability is actively exploited and poses a significant risk.

This vulnerability is actively exploited in the wild and is listed in CISA's Known Exploited Vulnerabilities Catalog. Exploitation can occur remotely.

Recommended Action

Users should uninstall Adobe Flash Player as it is end-of-life and no longer supported. If uninstallation is not immediately possible, ensure all Flash Player installations are updated to the very last available version, though deprecation is the recommended action.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2015-5123 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2015-5123 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.