CISA KEV · Known exploitedHigh

CVE-2012-1535

Adobe Flash Player

Unspecified vulnerability in Adobe Flash Player before 11.3.300.271 on Windows and Mac OS X and before 11.2.202.238 on Linux allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via crafted SWF content, as exploited in the wild in August 2012 with SWF content in a Word document.

CVSS
7.8
EPSS
70.4%
99.3% percentile
CISA KEV
Listed
Published
2012.08.15
PRIORITY ASSESSMENT

Immediate review

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

Known exploitationConfirmed by CISA KEV
Exploit probability70.4%
Technical severityCVSS 7.8

Vulnerability overview

Unspecified vulnerability in Adobe Flash Player before 11.3.300.271 on Windows and Mac OS X and before 11.2.202.238 on Linux allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via crafted SWF content, as exploited in the wild in August 2012 with SWF content in a Word document.

Affected product and versions

Product
Adobe Flash Player
Affected versions
< 11.3.300.271, < 11.2.202.238, 5.0, 11.4, 12.1, 10
Fixed versions
11.3.300.271, 11.2.202.238

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: 2022.03.24
  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-20, CWE-94
KEV added
2022.03.03
Ransomware use
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