CISA KEV · Known exploitedHigh

CVE-2014-8439

Adobe Flash Player

Adobe Flash Player before 13.0.0.258 and 14.x and 15.x before 15.0.0.239 on Windows and OS X and before 11.2.202.424 on Linux, Adobe AIR before 15.0.0.293, Adobe AIR SDK before 15.0.0.302, and Adobe AIR SDK & Compiler before 15.0.0.302 allow attackers to execute arbitrary code or cause a denial of service (invalid pointer dereference) via unspecified vectors.

CVSS
8.8
EPSS
20.0%
97.2% percentile
CISA KEV
Listed
Published
2014.11.26
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability20.0%
Technical severityCVSS 8.8

Vulnerability overview

Adobe Flash Player before 13.0.0.258 and 14.x and 15.x before 15.0.0.239 on Windows and OS X and before 11.2.202.424 on Linux, Adobe AIR before 15.0.0.293, Adobe AIR SDK before 15.0.0.302, and Adobe AIR SDK & Compiler before 15.0.0.302 allow attackers to execute arbitrary code or cause a denial of service (invalid pointer dereference) via unspecified vectors.

Affected product and versions

Product
Adobe Flash Player
Affected versions
<= 11.2.202.418, <= 15.0.0.292, <= 15.0.0.301, < 15.0.0.302, <= 15.0.0.223, <= 13.0.0.252
Fixed versions
15.0.0.302

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

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

Due date: 2022.06.15
  1. 1
    Identify

    Confirm that Adobe Flash Player and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-119, CWE-416
KEV added
2022.05.25
Ransomware use
미확인
CVE-2014-8439 — Adobe Flash Player | SECUFOCUS NOW