CISA KEV · Known exploitedHigh

CVE-2018-15982

Adobe Flash Player

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
7.8
EPSS
82.5%
99.6% percentile
CISA KEV
Listed
Published
2019.01.19
PRIORITY ASSESSMENT

Immediate review

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

Known exploitationConfirmed by CISA KEV
Exploit probability82.5%
Technical severityCVSS 7.8

Vulnerability overview

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.

Affected product and versions

Product
Adobe Flash Player
Affected versions
<= 31.0.0.153, 6.0, <= 31.0.0.108
Fixed versions
No verified fixed-version field is available yet

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: 2022.08.15
  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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-416
KEV added
2022.02.15
Ransomware use
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