CISA KEV · Known exploitedHigh

CVE-2015-8651

Adobe Flash Player

Integer overflow in Adobe Flash Player before 18.0.0.324 and 19.x and 20.x before 20.0.0.267 on Windows and OS X and before 11.2.202.559 on Linux, Adobe AIR before 20.0.0.233, Adobe AIR SDK before 20.0.0.233, and Adobe AIR SDK & Compiler before 20.0.0.233 allows attackers to execute arbitrary code via unspecified vectors.

CVSS
8.8
EPSS
67.9%
99.3% percentile
CISA KEV
Listed
Published
2015.12.29
PRIORITY ASSESSMENT

Immediate review

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

Known exploitationConfirmed by CISA KEV
Exploit probability67.9%
Technical severityCVSS 8.8

Vulnerability overview

Integer overflow in Adobe Flash Player before 18.0.0.324 and 19.x and 20.x before 20.0.0.267 on Windows and OS X and before 11.2.202.559 on Linux, Adobe AIR before 20.0.0.233, Adobe AIR SDK before 20.0.0.233, and Adobe AIR SDK & Compiler before 20.0.0.233 allows attackers to execute arbitrary code via unspecified vectors.

Affected product and versions

Product
Adobe Flash Player
Affected versions
< 20.0.0.233, < 11.2.202.559, < 18.0.0.324, >= 19.0.0.185 < 20.0.0.267, 5.0, 6.0, 11.4, 13.1, 13.2, 11, 12, < 7.6, 7.6
Fixed versions
20.0.0.233, 11.2.202.559, 18.0.0.324, 20.0.0.267, 7.6

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-189, CWE-190
KEV added
2022.05.25
Ransomware use
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