CVE-2015-5122

Confirmed PUBLISHED

Use-after-free vulnerability in the DisplayObject class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.302 on...

Adobe · Flash Player

Exploited in the wild PoC available

Recommended Action

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

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Confidence

Confirmed

Exploitation Status

Exploited in the wild

Observed in Sensors

Attempts (30d)

—

Unique Attacker IPs

—

CISA KEV

In CISA KEV

CVSS / EPSS

9.8 Critical

At a Glance

Use-after-free vulnerability in the DisplayObject class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.302 on Windows and OS X, 14.x through 18.0.0.203 on Windows and OS X, 11.x through 11.2.202.481 on Linux, and 12.x through 18.0.0.204 on Linux Chrome installations allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted Flash content that leverages improper handling of the opaqueBackground property, as exploited in the wild in July 2015.

linux windows metasploit cisa

CVE Published: Jul 14, 2015
Exploitation Reported: Apr 13, 2022
CVSS: 9.8 Critical
EPSS: —

Remote Low complexity No user interaction Unauthenticated

Affected Versions

Vendor	Product	Version	Status
n/a	n/a	n/a	Affected

CVE References

SUSE-SU-2015:1255 lists.opensuse.org · Vendor Advisory http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00028...
HPSBMU03409 marc.info · Vendor Advisory http://marc.info/?l=bugtraq&m=144050155601375&w=2
SUSE-SU-2015:1258 lists.opensuse.org · Vendor Advisory http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00029...
GLSA-201508-01 security.gentoo.org · Vendor Advisory https://security.gentoo.org/glsa/201508-01
HPSBHF03509 h20564.www2.hp.com · Vendor Advisory https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docI...

Show 15 more references

RHSA-2015:1235 rhn.redhat.com · Vendor Advisory http://rhn.redhat.com/errata/RHSA-2015-1235.html
openSUSE-SU-2015:1267 lists.opensuse.org · Vendor Advisory http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00032...
TA15-195A us-cert.gov · Third-Party Advisory http://www.us-cert.gov/ncas/alerts/TA15-195A
VU#338736 kb.cert.org · Third-Party Advisory http://www.kb.cert.org/vuls/id/338736
37599 exploit-db.com · Exploit https://www.exploit-db.com/exploits/37599/
1032890 securitytracker.com · VDB Entry http://www.securitytracker.com/id/1032890
75712 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/75712
h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay h20564.www2.hpe.com · CVE Record https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?doc...
fireeye.com/blog/threat-research/2015/07/cve-2015-5122_-... fireeye.com · CVE Record https://www.fireeye.com/blog/threat-research/2015/07/cve-2015-5122_-_...
helpx.adobe.com/security/products/flash-player/apsb15-18.html helpx.adobe.com · CVE Record https://helpx.adobe.com/security/products/flash-player/apsb15-18.html
rapid7.com/db/modules/exploit/multi/browser/adobe_flash... rapid7.com · CVE Record http://www.rapid7.com/db/modules/exploit/multi/browser/adobe_flash_op...
packetstormsecurity.com/files/132663/Adobe-Flash-opaqueBackground-Us... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/132663/Adobe-Flash-opaqueBackgro...
perception-point.io/2018/04/11/breaking-cfi-cve-2015-5122-coop perception-point.io · CVE Record https://perception-point.io/2018/04/11/breaking-cfi-cve-2015-5122-coop/
helpx.adobe.com/security/products/flash-player/apsa15-04.html helpx.adobe.com · CVE Record https://helpx.adobe.com/security/products/flash-player/apsa15-04.html
perception-point.io/new/breaking-cfi.php perception-point.io · CVE Record https://perception-point.io/new/breaking-cfi.php

Recommended Actions

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.

Known Exploited Vulnerability Sources

Catalogues that list this CVE as a known exploited vulnerability.

Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.

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Source	Added
CISA First	2022-04-13 00:00 UTC

Scanner Artifacts

Nuclei and Metasploit references linked to this CVE.

Scanner	Reference	Detected
Metasploit	https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/adobe_flash_opaque_background_uaf.rb	Apr 28, 2025

CVSS Scores

CVSS v3.1 9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 10.0 High

AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitation Status

Exploited in the wild

Recorded 2022-04-13 00:00:00 UTC · CISA

Proof of concept available

Recorded 2025-04-28 15:02:15 UTC

Weaknesses (CWE)

CWE-416

Use After Free

Scanner Integrations

Scanner	Reference	Detected
Metasploit	https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/adobe_flash_opaque_background_uaf.rb	Apr 28, 2025

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

adobe_flash_opaque_background_uaf

metasploit · Created Unknown

Metasploit module for CVE-2015-5122

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Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Pro API Example

GET /api/v2/pro/kevs/CVE-2015-5122

{
  "cve_id": "CVE-2015-5122",
  "title": "Use-after-free vulnerability in the DisplayObject class in the ActionScript 3...",
  "affected_vendor": "Adobe",
  "affected_product": "Flash Player",
  "affected_versions": [
    { "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
  ],
  "confidence": "Confirmed",
  "cvss_score": 9.8,
  "epss_score": null,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "...": "Pro API fields" },
  "proof_of_concepts": [ "..." ],
  "scanner_integrations": [ "..." ]
}

The free JSON API returns basic KEV fields only. Confidence, telemetry, and artifact enrichment require Pro API access.

CVE-2015-5122

At a Glance

Affected Versions

CVE References

Recommended Actions

Known Exploited Vulnerability Sources

Scanner Artifacts

Virtual Patch

CVSS Scores

Exploitation Status

Weaknesses (CWE)

Scanner Integrations

Potential Proof of Concepts

Timeline

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